190 results on '"Giraffa"'
Search Results
2. Updated review of the conservation status of Nubian giraffe (Giraffa camelopardalis camelopardalis) in Kenya.
- Author
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Muneza, Arthur B., Kavutha, Janet S., Muruana, Matthew W., Ikime, Timothy, Kariuki, Linus, Lekolool, Isaac, Fennessy, Stephanie, Bett, Alice, Kipchumba, Adams K., Ngumbi, Emmanuel, and Fennessy, Julian
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GIRAFFES ,ANTHROPOGENIC effects on nature ,FRAGMENTED landscapes ,POPULATION ecology ,NATIONAL parks & reserves - Abstract
Giraffe (Giraffa spp.) numbers and their habitat have drastically declined throughout Africa over the last century due to various threats linked to anthropogenic impacts including habitat loss and fragmentation, disease, poaching, and climate change. In Kenya, the Nubian giraffe (G. camelopardalis camelopardalis) population decreased significantly up until the late 1980s. As a result of increased conservation efforts, the Nubian giraffe population has rebounded since the early 1990s, however, it remains predominantly extralimital and/or restricted to closed protected areas in central and western Kenya. In this paper, we set out to assess historical and current population numbers and trends of Nubian giraffe in Kenya, and highlight the conservation efforts that are applied to conserve this Critically Endangered taxon. We reviewed published manuscripts and grey literature, wildlife authority records and interviewed landowners with Nubian giraffe populations. We also conducted photographic surveys in three national parks and reserves where anecdotal reports suggested that the largest populations of Nubian giraffe occurred. We found that from a low of 130 individuals remaining in the wild and near extinction in the mid-1970s, the Nubian giraffe population has rebounded to 1,042 in 14 populations in Kenya, which represents an increase of more than 700%. This conservation success story is attributed to targeted management efforts, in particular conservation translocations and the increased monitoring of populations. At the same time, various factors including habitat loss and fragmentation, and infrastructure developments, linked with the increasing human population continue to pose a threat to their survival in the country. We place our findings in the broader context of population ecology and present opportunities for conservation research as well as recommendations that inform the management of this critical population of concern. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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- View/download PDF
3. Genomic analysis reveals limited hybridization among three giraffe species in Kenya
- Author
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Raphael T. F. Coimbra, Sven Winter, Arthur Muneza, Stephanie Fennessy, Moses Otiende, Domnic Mijele, Symon Masiaine, Jenna Stacy-Dawes, Julian Fennessy, and Axel Janke
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East Africa ,Gene flow ,Giraffa ,Hybridization ,Introgression ,Population genomics ,Biology (General) ,QH301-705.5 - Abstract
Abstract Background In the speciation continuum, the strength of reproductive isolation varies, and species boundaries are blurred by gene flow. Interbreeding among giraffe (Giraffa spp.) in captivity is known, and anecdotal reports of natural hybrids exist. In Kenya, Nubian (G. camelopardalis camelopardalis), reticulated (G. reticulata), and Masai giraffe sensu stricto (G. tippelskirchi tippelskirchi) are parapatric, and thus, the country might be a melting pot for these taxa. We analyzed 128 genomes of wild giraffe, 113 newly sequenced, representing these three taxa. Results We found varying levels of Nubian ancestry in 13 reticulated giraffe sampled across the Laikipia Plateau most likely reflecting historical gene flow between these two lineages. Although comparatively weaker signs of ancestral gene flow and potential mitochondrial introgression from reticulated into Masai giraffe were also detected, estimated admixture levels between these two lineages are minimal. Importantly, contemporary gene flow between East African giraffe lineages was not statistically significant. Effective population sizes have declined since the Late Pleistocene, more severely for Nubian and reticulated giraffe. Conclusions Despite historically hybridizing, these three giraffe lineages have maintained their overall genomic integrity suggesting effective reproductive isolation, consistent with the previous classification of giraffe into four species.
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- 2023
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4. The spatial ecology of southern giraffe ( Giraffa giraffa) in Hwange National Park and Savé Valley Conservancy, Zimbabwe.
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Olivier, Jaco, Leslie, Alison J., Hoda, Livingstone, Brown, Michael B., Fennessy, Julian, and Madhlamoto, Daphine
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CONTINUOUS time models , *SPATIAL ecology , *GIRAFFES , *NATIONAL parks & reserves , *TIME management - Abstract
Giraffe in southern Africa range across diverse anthropogenic land-use types and understanding their habitat requirements across these differently managed areas is key to their long-term conservation in increasingly complex multiple-use landscapes.We evaluated vegetation type preference, seasonal home range sizes, and daily distances travelled of two major southern giraffe populations in Zimbabwe -- Hwange National Park (HNP) and Save Valley Conservancy (SVC) -- by fitting a total of 27 solar-powered GPS satellite units. There was a difference in seasonal vegetation type selection as giraffe favoured bushlands and woodlands compared to other vegetation types. We used a continuous time movement modelling framework to generate 95% autocorrelated kernel density estimates for home range models and found significantly larger home ranges in HNP (573.9 km²; CI: 429.4-766.9 km²) compared to SVC (191.7 km²; CI: 131.5-279.5 km²). We also found differences in seasonal range sizes between study areas: SVC -- (84.4 km²; CI: 55.8-127.5 km²) during the early dry season and (98.5 km²; CI: 65.1-149.1 km²) during the wet season; and, in HNP -- (349.4 km²; CI: 181.6-672.2 km²) during the wet season and (637.9 km²; CI: 357.8-1137.0 km²) during the late dry season. Ranges varied significantly between sites ( P< 0.01), with giraffe in SVC exhibiting significantly smaller ranges than in HNP across all three seasons (early dry: P< 0.01; late dry: P< 0.01, wet: P< 0.01). Daily distances travelled by giraffe were relatively consistent across both sites; however, seasonal variability was observed ( P= 0.07). Whilst SVC giraffe daily distances travelled were relatively consistent across seasons, HNP giraffe in the wet season were travelled significantly less than in the early dry season ( P< 0.05). Environmental changes appear to be the biggest drivers of variation amongst giraffe home ranges, vegetation type selection, and daily distances travelled between SVC and HNP. This was the first-ever in-depth study of giraffe spatial ecology in Zimbabwe and these results can better inform future conservation management in the country. [ABSTRACT FROM AUTHOR]
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- 2024
- Full Text
- View/download PDF
5. Immobilisation protocols for wild giraffe (Giraffa spp.) - a review.
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Ferguson, S., Harvey, R. J., Fennessy, S., and Fennessy, J.
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GIRAFFES , *DEATH rate , *BEST practices , *DRUG utilization , *OPIOIDS - Abstract
Background: Immobilisation of wild giraffe (Giraffa spp.) is challenging due to their unique anatomy and physiology. Field immobilisations are required for numerous conservation, tourism, and veterinary purposes. Wild giraffe immobilisation techniques have evolved considerably from physical to chemical with ultrapotent drugs. Objective: To provide a detailed overview of historic and present protocols used for immobilising giraffe in the wild as a valuable resource tool for future research into best practices. Methods: A systematic review was undertaken of the published literature on wild giraffe capture and immobilisation techniques with no restrictions on publication date. Results: The review detailed the evolution of capture techniques used for wild giraffe. The trend has moved from purely physical capture in the 1950s to the use of high dose ultrapotent opioids or a combination of opioids and alpha-2 agonists and/or tranquilisers. With a better understanding of giraffe physiology and wild giraffe capture, mortality rates have decreased significantly from ~ 35% to < 1%. Conclusion: The advent of ultrapotent opioids has caused a paradigm shift in wildlife immobilisation, especially for wild giraffe. While the use of these drugs, as sole immobilisation agents or in combination with alpha-2 agonists or tranquilisers, has greatly reduced mortality rates associated with wild giraffe immobilisations, there is a startling lack of physiological data evaluating the impact of these drugs on giraffe during and after immobilisation. Future research should focus on measuring physiological variables to determine the impact and best practice of these protocols on wild giraffe immobilisation. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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6. Genomic analysis reveals limited hybridization among three giraffe species in Kenya.
- Author
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Coimbra, Raphael T. F., Winter, Sven, Muneza, Arthur, Fennessy, Stephanie, Otiende, Moses, Mijele, Domnic, Masiaine, Symon, Stacy-Dawes, Jenna, Fennessy, Julian, and Janke, Axel
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GENOMICS ,INTROGRESSION (Genetics) ,GIRAFFES ,REPRODUCTIVE isolation ,SPECIES hybridization ,GENE flow ,SPECIES - Abstract
Background: In the speciation continuum, the strength of reproductive isolation varies, and species boundaries are blurred by gene flow. Interbreeding among giraffe (Giraffa spp.) in captivity is known, and anecdotal reports of natural hybrids exist. In Kenya, Nubian (G. camelopardalis camelopardalis), reticulated (G. reticulata), and Masai giraffe sensu stricto (G. tippelskirchi tippelskirchi) are parapatric, and thus, the country might be a melting pot for these taxa. We analyzed 128 genomes of wild giraffe, 113 newly sequenced, representing these three taxa. Results: We found varying levels of Nubian ancestry in 13 reticulated giraffe sampled across the Laikipia Plateau most likely reflecting historical gene flow between these two lineages. Although comparatively weaker signs of ancestral gene flow and potential mitochondrial introgression from reticulated into Masai giraffe were also detected, estimated admixture levels between these two lineages are minimal. Importantly, contemporary gene flow between East African giraffe lineages was not statistically significant. Effective population sizes have declined since the Late Pleistocene, more severely for Nubian and reticulated giraffe. Conclusions: Despite historically hybridizing, these three giraffe lineages have maintained their overall genomic integrity suggesting effective reproductive isolation, consistent with the previous classification of giraffe into four species. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
7. Congenital and Neoplastic Cranial Deformities in Wild Giraffe (Giraffa spp.).
- Author
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Ferguson, Sara, Kaitho, Titus, Lekolool, Isaac, Muneza, Arthur, Michelmore, Jordan, McFeeters, Lachlan, Wells, Emma, Ahl, Katherine, Hoffman, Rigardt, Brown, Michael, Fennessy, Stephanie, and Fennessy, Julian
- Abstract
Congenital deformities and neoplasia are poorly documented in wildlife, owing to the difficulty of detection in wild populations. Congenital deformities may lead to premature mortality, thus reducing the chances of thorough documentation. Importantly, neoplasia diagnoses depend on either sampling suspicious lesions from living individuals or access to fresh, undisturbed carcasses, which can prove challenging. We describe five cases of suspected congenital cranial deformities (midfacial cleft, wry nose, and brachygnathia inferior) and two possible cases of cranial neoplasia (orbital bone mass and a soft tissue mass) opportunistically observed in wild giraffe (Giraffa spp.) across their range in Africa. Although cases are largely limited to subjective description because physical examination is often not possible, it is critical to document such observations to help identify and track potential health concerns in wild giraffe populations. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
8. Osteohistology and palaeobiology of giraffids from the Mio‐Pliocene Langebaanweg (South Africa).
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Jannello, Juan Marcos and Chinsamy, Anusuya
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PALEOBIOLOGY , *LIFE history theory , *BONE growth , *BONE mechanics - Abstract
The reconstruction of life history traits, such as growth rate, age at maturity and age at death can be estimated from the histological analysis of long bones. Here, we studied 20 long bones (metapodials, tibia and femora) of Sivatherium hendeyi and Giraffa cf. Giraffa jumae recovered from the Miocene–Pliocene locality of Langebaanweg on the West Coast of South Africa. We analysed the long bone histology and growth marks of juvenile and adult specimens of these taxa. Our results show that bone tissue types and vascular canal orientation varies during ontogeny, as well as between the different skeletal elements, and also across single cross sections of bones. Majority of our specimens appear to be still growing, with only an adult metacarpal of S. hendeyi being skeletally mature as indicated by the presence of an outer circumferential layer. We propose that the growth marks preserved in the cortices of the bones studied are most likely related to multiple catastrophic events as opposed to being annual/seasonal. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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9. Taxonomy and Translocations of African Mammals: A Plea for a Cautionary Approach
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Spartaco Gippoliti, Jan Robovský, and Francesco M. Angelici
- Subjects
Africa ,mammal subspecies ,biotic homogenization ,Giraffa ,game tourism ,taxonomy ,Ecology ,QH540-549.5 - Abstract
Ecotourism can fuel an important source of financial income for African countries and can therefore help biodiversity policies in the continent. Translocations can be a powerful tool to spread economic benefits among countries and communities; yet, to be positive for biodiversity conservation, they require a basic knowledge of conservation units through appropriate taxonomic research. This is not always the case, as taxonomy was considered an outdated discipline for almost a century, and some plurality in taxonomic approaches is incorrectly considered as a disadvantage for conservation work. As an example, diversity of the genus Giraffa and its recent taxonomic history illustrate the importance of such knowledge for a sound conservation policy that includes translocations. We argue that a fine-grained conservation perspective that prioritizes all remaining populations along the Nile Basin is needed. Translocations are important tools for giraffe diversity conservation, but more discussion is needed, especially for moving new giraffes to regions where the autochthonous taxa/populations are no longer existent. As the current discussion about the giraffe taxonomy is too focused on the number of giraffe species, we argue that the plurality of taxonomic and conservation approaches might be beneficial, i.e., for defining the number of units requiring separate management using a (majority) consensus across different concepts (e.g., MU—management unit, ESU—evolutionary significant unit, and ECU—elemental conservation unit). The taxonomically sensitive translocation policy/strategy would be important for the preservation of current diversity, while also supporting the ecological restoration of some regions within rewilding. A summary table of the main translocation operations of African mammals that have underlying problems is included. Therefore, we call for increased attention toward the taxonomy of African mammals not only as the basis for sound conservation but also as a further opportunity to enlarge the geographic scope of ecotourism in Africa.
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- 2021
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10. Population structure and spatial ecology of Kordofan giraffe in Garamba National Park, Democratic Republic of Congo
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Mathias D'haen, Julian Fennessy, Jared A. Stabach, and Karolína Brandlová
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autocorrelated kernel density estimation ,Democratic Republic of Congo ,Giraffa ,giraffe ,GIS ,Haut‐Uele ,Ecology ,QH540-549.5 - Abstract
Abstract Population numbers of Kordofan giraffe (Giraffa camelopardalis antiquorum) have declined throughout its range by more than 85% in the last three decades, including in the isolated easternmost population found in the Garamba National Park (NP) in the Democratic Republic of Congo. We provide new data on the conservation status and ecology of Kordofan giraffe in Garamba NP, specifically on the current population dynamics, distribution patterns, and spatial ecology for informed conservation management decisions. Data were gathered between September 26, 2016, and August 17, 2017, through direct observation and from eight GPS satellite collars deployed in early 2016. Movements, distribution patterns, and autocorrelated kernel density home ranges were estimated using the Continuous‐Time Movement Modeling (CTMM) framework. We then compared results with home ranges calculated using the kernel density estimation (95% KDE) method. The Garamba NP population was estimated to be 45 giraffe with a female‐dominated sex ratio (35% males; 65% females), and adult‐dominated age class ratio (11.2% juveniles; 17.7% subadults; 71.1% adults). The giraffe's distribution was limited to the south‐central sector of the Park, and giraffe were divided over different areas with some degree of connectivity. The average giraffe home range size was 934.3 km2 using AKDE and 268.8 km2 using KDE. Both methods have shown surprisingly large home ranges despite of the relatively high humidity of Garamba NP. Based on the outcomes of this research, urgent conservation action is needed to protect Garamba's remaining giraffe population.
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- 2019
- Full Text
- View/download PDF
11. First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens
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Alice Petzold, Anne-Sophie Magnant, David Edderai, Bertrand Chardonnet, Jacques Rigoulet, Michel Saint-Jalme, and Alexandre Hassanin
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Giraffa ,ancient DNA ,Zarafa ,conservation genetics ,Pleistocene ,Zoology ,QL1-991 ,Botany ,QK1-989 - Abstract
Intensified exploration of sub-Saharan Africa during the 18th and 19th centuries led to many newly described giraffe subspecies. Several populations described at that time are now extinct, which is problematic for a full understanding of giraffe taxonomy. In this study, we provide mitochondrial sequences for 41 giraffes, including 19 museum specimens of high importance to resolve giraffe taxonomy, such as Zarafa from Sennar and two giraffes from Abyssinia (subspecies camelopardalis), three of the first southern individuals collected by Levaillant and Delalande (subspecies capensis), topotypes of the former subspecies congoensis and cottoni, and giraffes from an extinct population in Senegal. Our phylogeographic analysis shows that no representative of the nominate subspecies camelopardalis was included in previous molecular studies, as Zarafa and two other specimens assigned to this taxon are characterized by a divergent haplogroup, that the former subspecies congoensis and cottoni should be treated as synonyms of antiquorum, and that the subspecies angolensis and capensis should be synonymized with giraffa, whereas the subspecies wardi should be rehabilitated. In addition, we found evidence for the existence of a previously unknown subspecies from Senegal (newly described in this study), which is now extinct. Based on these results, we propose a new classification of giraffes recognizing three species and 10 subspecies. According to our molecular dating estimates, the divergence among these taxa has been promoted by Pleistocene climatic changes resulting in either savannah expansion or the development of hydrographical networks (Zambezi, Nile, Lake Chad, Lake Victoria). A correction has been published: Petzold A., Magnant A.-S., Edderai D., Chardonnet B., Rigoulet J., Saint-Jalme M. & Hassanin A. 2020. First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens – Corrigendum. European Journal of Taxonomy 717: 1–2. https://doi.org/10.5852/ejt.2020.717.1093
- Published
- 2020
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12. Seasonal shifts in sociosexual behaviour and reproductive phenology in giraffe.
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Hart, Emma E., Fennessy, Julian, Wells, Emma, and Ciuti, Simone
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GIRAFFES ,PHENOLOGY ,BEHAVIOR ,FEMALES ,CLIMATE change ,PREGNANCY - Abstract
Reproductive phenology (timing) is a heritable trait that confers a range of fitness or survival advantages. Giraffe (Giraffa spp.) breed year-round; however, some studies have suggested adaptive birth pulses, where demanding stages of reproduction coincide with seasonal increases in resource availability (phenological match). Here we use 3.5 years of demographic data to investigate the sociosexual behaviour and reproductive phenology of Angolan giraffe (G. g. angolensis) in the hyper arid northern Namib Desert, Namibia. We show that, in a highly seasonal desert ecosystem, giraffe gave birth to significantly more calves during the wet season. These calves were more likely to survive their first year of life, suggesting that season of birth may convey a fitness advantage. Furthermore, we show a decrease in sexual segregation between dominant (dark) adult males and adult females during the hot-dry season, suggesting a possible hot-dry season conception pulse. Finally, we demonstrate that the strongest correlation between the temporal pattern of births (wet-season pulse) and that of decreased sexual segregation (hot-dry season pulse) was time lagged by 15 months. This time lag corresponds to the period of gestation in giraffe, suggesting that a seasonal reduction in sexual segregation in this population may explain a seasonal birth pulse. These findings add to a sparse literature on the breeding phenology of giraffe, of asynchronously breeding megaherbivores, and of species with a gestation period of greater than 1 year. Results are discussed in terms of the possible environmental drivers of both season of conception and season of birth in this population. Furthermore, we highlight how predicted increases in seasonal instability due to climate change could reduce any putative fitness advantage associated with earlier birth dates. Significance statement: To maximize survival, many species align giving birth with periods where food resources are increased. We studied this phenomenon in giraffe, a large mammal that breeds year-round at all latitudes but, in seasonal environments, possibly aligns the most energetically demanding stages of reproduction with resource-rich periods. We demonstrate that in a highly seasonal desert ecosystem, giraffe gave birth to significantly more calves during the wet season. These calves were more likely to survive their first year of life, suggesting that the wet season birth pulse is adaptive. Furthermore, we show that dominant male giraffe are more likely to seek females in the hot-dry season, suggesting a conception pulse that helps to explain the wet season birth pulse. These results advance our understanding of giraffe social and mating behaviours and contribute to a better understanding of breeding phenology in megaherbivores. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
13. Population structure and spatial ecology of Kordofan giraffe in Garamba National Park, Democratic Republic of Congo.
- Author
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D'haen, Mathias, Fennessy, Julian, Stabach, Jared A., and Brandlová, Karolína
- Subjects
SPATIAL ecology ,NATIONAL parks & reserves ,GIRAFFES ,POPULATION dynamics ,SEX ratio - Abstract
Population numbers of Kordofan giraffe (Giraffa camelopardalis antiquorum) have declined throughout its range by more than 85% in the last three decades, including in the isolated easternmost population found in the Garamba National Park (NP) in the Democratic Republic of Congo.We provide new data on the conservation status and ecology of Kordofan giraffe in Garamba NP, specifically on the current population dynamics, distribution patterns, and spatial ecology for informed conservation management decisions.Data were gathered between September 26, 2016, and August 17, 2017, through direct observation and from eight GPS satellite collars deployed in early 2016. Movements, distribution patterns, and autocorrelated kernel density home ranges were estimated using the Continuous‐Time Movement Modeling (CTMM) framework. We then compared results with home ranges calculated using the kernel density estimation (95% KDE) method.The Garamba NP population was estimated to be 45 giraffe with a female‐dominated sex ratio (35% males; 65% females), and adult‐dominated age class ratio (11.2% juveniles; 17.7% subadults; 71.1% adults). The giraffe's distribution was limited to the south‐central sector of the Park, and giraffe were divided over different areas with some degree of connectivity. The average giraffe home range size was 934.3 km2 using AKDE and 268.8 km2 using KDE. Both methods have shown surprisingly large home ranges despite of the relatively high humidity of Garamba NP.Based on the outcomes of this research, urgent conservation action is needed to protect Garamba's remaining giraffe population. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF
14. GROWTH, HUSBANDRY, AND DIETS OF FIVE SUCCESSFULLY HAND-REARED ORPHANED GIRAFFE CALVES (GIRAFFA CAMELOPARDALIS ROTHSCHILDI AND GIRAFFA CAMELOPARDALIS RETICULATA).
- Author
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Meuffels, Janine, Ververs, Cyrillus, Pootoolal, Jason, Zijll Langhout, Martine van, and Govaere, Jan
- Abstract
Giraffe in the wild are in ongoing decline because of poaching and habitat loss and fragmentation, and were recently assessed as "vulnerable" on the IUCN (International Union for Conservation of Nature) Red List of Threatened Species. Captive breeding and saving each individual are therefore becoming more important to save this species from extinction. This paper describes the husbandry and diets of successfully hand-reared Rothschild's giraffes (Giraffa camelopardalis rothschildi; n = 3) and reticulated giraffes (Giraffa camelopardalis reticulata; n = 2). All calves were initially fed with bovine colostrum followed by cow's milk (Holstein milk; Holstein milk with 10% of bovine colostrum; Jersey and Guernsey milk). Additionally, lactase enzymes (Lactaidt, Johnson & Johnson Inc., Guelp, Ontario N1K1A5, Canada) and probiotics (Probiost, Vets Plus, Inc., Menomonie, WI 54751, USA) were used. Average growth varied from 764 to 1,239 g/day from birth until 2 mo of age and between 508 and 1,161 g/day from birth until last measurement before weaning. Hand-reared calves gained up to 21 cm in height within the first month and 82–138% of their birth weight during the first 2 mo. The giraffes were weaned at 6 (n = 1), 8 (n = 3), and 11.5 (n = 1) mo and successfully socialized and introduced to other giraffes. The described diets and husbandry proved to be effective in all five calves. Large amounts of cow's milk per feeding (up to 6 L) did not result in gastrointestinal problems. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
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15. Giraffidae
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Robinson, Chris A., Conard, Nicholas, Advisory editor, Fleagle, John G., Advisory editor, Hublin, Jean-Jacques, Advisory editor, MacPhee, Ross D. E., Advisory editor, Makovicky, Peter, Advisory editor, McBrearty, Sally, Advisory editor, Meng, Jin, Advisory editor, Plummer, Tom, Advisory editor, Silcox, Mary, Advisory editor, and Harrison, Terry, editor
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- 2011
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16. Coprolites: Taphonomic and Paleoecological Implications
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Harrison, Terry, Conard, Nicholas, Advisory editor, Fleagle, John G., Advisory editor, Hublin, Jean-Jacques, Advisory editor, MacPhee, Ross D. E., Advisory editor, Makovicky, Peter, Advisory editor, McBrearty, Sally, Advisory editor, Meng, Jin, Advisory editor, Plummer, Tom, Advisory editor, Silcox, Mary, Advisory editor, and Harrison, Terry, editor
- Published
- 2011
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17. New Giraffokeryx and Giraffa (Ruminantia, Giraffidae) Dental Material from Lower Siwaliks of Northern Pakistan.
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Aftab, Kiran, Asim, Muhammad, Nawaz, Muhammad Khalil, Babar, M. Adeeb, Khan, Muhammad Akbar, and Ahmed, Zaheer
- Abstract
Giraffokeryx punjabiensis and Giraffa priscilla have been discovered from the outcrops of district Chakwal, Punjab, Pakistan. The present description is about newly recovered specimens of small sized giraffids from Dhok Bun Amir Khatoon and Kund. These Middle Miocene localities are found within the Chinji Formation of the Lower Siwalik Subgroup in northern Pakistan. Our reports include isolated teeth, maxilla and mandible fragments of Giraffokeryx punjabiensis and Giraffa priscilla, which exhibit some primitive features for the Lower Siwalik giraffids. This paper also documents the first middle Miocene giraffid from the Kund locality of the Siwaliks. The lower sized giraffids preferred to inhabit the forested areas of the Siwalik. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
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18. Low effective mechanical advantage of giraffes’ limbs during walking reveals trade-off between limb length and locomotor performance
- Author
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Christopher Basu and John R. Hutchinson
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Lever ,medicine.medical_specialty ,business.product_category ,Multidisciplinary ,biology ,Giraffes ,Walking ,biology.organism_classification ,Cursorial ,Inverse dynamics ,medicine.anatomical_structure ,Physical medicine and rehabilitation ,biology.animal ,Forelimb ,medicine ,media_common.cataloged_instance ,Animals ,Mechanical advantage ,Okapia johnstoni ,Giraffa ,business ,Gait ,Giraffa camelopardalis ,media_common - Abstract
Giraffes (Giraffa camelopardalis) possess specialised locomotor morphology, namely elongate and gracile distal limbs. Whilst this contributes to their overall height (and enhanced feeding behaviour), we propose that the combination of long limb segments and modest muscle lever arms results in low effective mechanical advantage (EMA, the ratio of in-lever to out-lever moment arms), when compared with other cursorial mammals. To test this, we used a combination of experimentally measured kinematics and ground rection forces (GRFs), musculoskeletal modelling, and inverse dynamics to calculate giraffe forelimb EMA during walking. Giraffes walk with an EMA of 0.34 (±0.05 S.D.), with no evident association with speed within their walking gait. Giraffe EMA was markedly below the expectations extrapolated from other mammals ranging from 0.03 – 297 kg, and provides further evidence that EMA plateaus or even diminishes in mammals exceeding horse size. We further tested the idea that limb segment length is a factor which determines EMA, by modelling the GRF and muscle moment arms in the extinct giraffid Sivatherium giganteum and the other extant giraffid Okapia johnstoni. Giraffa and Okapia shared similar EMA, despite a 4-6 fold difference in body mass (Okapia EMA = 0.38). In contrast Sivatherium, sharing a similar body mass to Giraffa, had greater EMA (0.59), which we propose reflects behavioural differences, such athletic performance. Our modelling approach suggests that limb length is a determinant of GRF moment arm magnitude, and that unless muscle moment arms scale isometrically with limb length, tall mammals are prone to low EMA.Significance StatementGiraffes are the tallest living animals - using their height to access food unavailable to their competitors. It is not clear how their specialized anatomy impacts their athletic ability. We made musculoskeletal models of the forelimbs from a giraffe and two close relatives, and used motion-capture and forceplate data to measure how efficient they are when walking in a straight line. A horse for example, uses just 1 unit of muscle force to oppose 1 unit of force on the ground. Giraffe limbs however are comparatively disadvantaged – their muscles must develop 3 units of force to oppose 1 unit of force at the ground. This explains why giraffes walk and run at relatively slow speeds.
- Published
- 2022
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19. Species definitions and conservation: a review and case studies from African mammals.
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Groves, Colin, Cotterill, F., Gippoliti, Spartaco, Robovský, Jan, Roos, Christian, Taylor, Peter, and Zinner, Dietmar
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BIODIVERSITY conservation ,SPECIES distribution ,PLANT species ,PHYLOGENETIC models ,RHINOCEROSES - Abstract
The nature of species, especially as applied to large mammals, is of major concern in conservation. Here, we briefly comment on recent thinking in alpha taxonomy, and assert that species are in essence evolutionary lineages, and that the most effective way of recognising them is by their diagnosability, i.e. the so-called Phylogenetic Species Concept. We further assert that the amount of genetic distance is not a relevant datum for distinguishing species, and that the ability to interbreed is not relevant. We consider a few case studies, especially that of the Northern White Rhinoceros Ceratotherium cottoni, and also species in Loxodonta, Giraffa and Oreotragus. [ABSTRACT FROM AUTHOR]
- Published
- 2017
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20. The earliest ossicone and post-cranial record of Giraffa.
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Danowitz, Melinda, Barry, John C., and Solounias, Nikos
- Subjects
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GIRAFFA , *CERVICAL vertebrae , *MIOCENE Epoch , *SEXUAL dimorphism - Abstract
The oldest Giraffa material presently known consists of dental specimens. The oldest post-cranial Giraffa material belongs to the Plio-Pleistocene taxon Giraffa sivalensis, where the holotype is a third cervical vertebra. We describe three non-dental specimens from the Early Late Miocene of the Potwar Plateau, including an 8.1 million year old ossicone, 9.4 million year old astragalus, and 8.9 million year old metatarsal and refer them to Giraffa. The described ossicone exhibits remarkable similarities with the ossicones of a juvenile modern giraffe, including the distribution of secondary bone growth, posterior curvature, and concave pitted undersurface where the ossicone would attach to the skull. The astragalus has a notably flat grove of the trochlea, medial twisting between the trochlea and the head, and a square-shaped sustentacular facet, all of which characterize the astragalus of Giraffa camelopardalis. The newly described astragalus is narrow and rectangular, unlike the boxy shaped bone of the modern giraffe. The metatarsal is large in size and has a shallow central trough created by thin medial and lateral ridges, a feature unique to Giraffa and Sivatherium. Our described material introduce the earliest non-dental material of Giraffa, a genus whose extinct representation is otherwise dominated by teeth, and demonstrate that the genus has been morphologically consistent over 9 million years. [ABSTRACT FROM AUTHOR]
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- 2017
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21. Sexual selection and endocrine profiles in wild South African giraffe ( Giraffa camelopardalis giraffa )
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Francois Deacon, Andre Ganswindt, Ciska P. J. Scheijen, Fred B. Bercovitch, and Ilse Luther-Binoir
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Sexual selection ,media_common.cataloged_instance ,Endocrine system ,Zoology ,Biology ,Giraffa ,biology.organism_classification ,Ecology, Evolution, Behavior and Systematics ,Giraffa camelopardalis ,media_common - Published
- 2020
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22. On reconstructing Giraffa sivalensis, an extinct giraffid from the Siwalik Hills, India
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Sybrand J. van Sittert and Graham Mitchell
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Giraffa ,Allometry ,Neck length ,Giraffidae ,Plio-Pleistocene ,Scaling ,Medicine ,Biology (General) ,QH301-705.5 - Abstract
Giraffa sivalensis occurred during the Plio-Pleistocene period and probably represents the terminal species of the genus in Southern Asia. The holotype is an almost perfectly preserved cervical vertebra of disputed anatomical location. Although there is also uncertainty regarding this animal’s size, other specimens that have been assigned to this species include fragments of two humeri, a radius, metacarpi and teeth. Here we estimate neck length, leg length and body mass using interspecific and, unusually, ontogenetic allometry of extant giraffe skeletal parameters. The appropriateness of each equation to estimate body mass was evaluated by calculating the prediction error incurred in both extant giraffes (G. camelopardalis) and okapis (Okapia johnstoni). It followed that the equations with the lowest prediction error in both species were considered robust enough to use in G. sivalensis. The size of G. sivalensis, based on the holotype, is proposed as 400 kg (range 228 kg–575 kg), with a neck length of approximately 147 cm and a height of 390 cm. The molar lengths of tooth specimens considered agree with this size estimate. The humerus was the most appropriate long bone to establish body mass, which estimates a heavier animal of ca 790 kg. The discrepancy with the vertebral body weight estimate might indicate sexual dimorphism. Radial and metacarpal specimens estimate G. sivalensis to be as heavy as extant giraffes. This may indicate that the radius and metacarpus are unsuitable for body mass predictions in Giraffa spp. Alternatively, certain long bones may have belonged to another long legged giraffid that occurred during the same period and locality as G. sivalensis. We have concluded that if sexual dimorphism was present then males would have been about twice the size of females. If sexual dimorphism was not present and all bones were correctly attributed to this species, then G. sivalensis had a slender neck with a relatively stocky body.
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- 2015
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23. Spatial variation in giraffe demography: a test of 2 paradigms.
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LEE, DEREK E., BOND, MONICA L., KISSUI, BERNARD M., KIWANGO, YUSTINA A., and BOLGER, DOUGLAS T.
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- *
GIRAFFA , *SURVIVAL behavior (Animals) , *DEMOGRAPHIC surveys , *DEMOGRAPHIC research , *SURVIVAL analysis (Biometry) , *PROGRESSION-free survival - Abstract
Examination of spatial variation in demography among or within populations of the same species is a topic of growing interest in ecology. We examined whether spatial variation in demography of a tropical megaherbivore followed the "temporal paradigm" or the "adult survival paradigm" of ungulate population dynamics formulated from temperate-zone studies. We quantified spatial variation in demographic rates for giraffes (Giraffa camelopardalis) at regional and continental scales. Regionally, we used photographic capture-mark-recapture data from 860 adult females and 449 calves to estimate adult female survival, calf survival, and reproduction at 5 sites in the Tarangire ecosystem of Tanzania. We examined potential mechanisms for spatial variation in regional demographic rates. At the continental scale, we synthesized demographic estimates from published studies across the range of the species. We created matrix population models for all sites at both scales and used prospective and retrospective analyses to determine which vital rate was most important to variation in population growth rate. Spatial variability of demographic parameters at the continental scale was in agreement with the temporal paradigm of low variability in adult survival and more highly variable reproduction and calf survival. In contrast, at the regional scale, adult female survival had higher spatial variation, in agreement with the adult survival paradigm. At both scales, variation in adult female survival made the greatest contribution to variation in local population growth rates. Our work documented contrasting patterns of spatial variation in demographic rates of giraffes at 2 spatial scales, but at both scales, we found the same vital rate was most important. We also found anthropogenic impacts on adult females are the most likely mechanism of regional population trajectories. [ABSTRACT FROM AUTHOR]
- Published
- 2016
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24. GIRAFFA (GIRAFFIDAE, MAMMALIA) FROM THE LOWER SIWALIKS OF PAKISTAN.
- Author
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Aftab, K., Khan, M. A., Babar, M. A., Ahmad, Z., and Akhtar, M.
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- *
GIRAFFA , *GEOGRAPHICAL distribution of mammals , *FOSSIL giraffidae , *PALAEOTRAGUS , *PALEONTOLOGY - Abstract
New remains of Giraffa priscilla are recorded from the Middle Miocene localities of Pakistan. The material originates from Chinji Rest House, Rakh Wasnal, Dhok Bun Amir Khatoon, Dhulian, Ghungrilla, Dial, Lava, Phadial, Bhelomar and Ratial. These localities are also well known for the rich Middle Miocene mammalian fauna of the Siwaliks. The estimated age of these localities is 14.2-11.2 Ma, belonging to the Chinji Formation of the Lower Siwaliks. The findings contribute to our understanding of the presence of this species in the Middle Miocene of Pakistan. [ABSTRACT FROM AUTHOR]
- Published
- 2016
25. Tall Tales.
- Author
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Brunelle, Lynn
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GIRAFFES ,ANIMAL behavior ,ANIMAL feeding behavior ,GIRAFFA ,MAMMALS ,PHYSIOLOGY - Published
- 2017
26. Habitat heterogeneity and social factors drive behavioral plasticity in giraffe herd-size dynamics
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Srivats Chari, Simone Ciuti, Julian Fennessy, and Emma E. Hart
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Phenotypic plasticity ,Herbivore ,Extinction ,Ecology ,biology ,animal diseases ,biology.organism_classification ,Spatial heterogeneity ,Habitat ,Genetics ,Herd ,media_common.cataloged_instance ,Animal Science and Zoology ,Giraffa ,Ecology, Evolution, Behavior and Systematics ,Giraffa camelopardalis ,Nature and Landscape Conservation ,media_common - Abstract
Behavioral plasticity, or the mechanism by which an organism can adjust its behavior in response to exogenous change, has been highlighted as a potential buffer against extinction risk. Giraffes (Giraffa spp.) are gregarious, long-lived, highly mobile megaherbivores with a large brain size, characteristics that have been associated with high levels of behavioral plasticity. However, while there has been a recent focus on genotypic variability and morphological differences among giraffe populations, there has been relatively little discussion centered on behavioral flexibility within giraffe populations. In large wild herbivores, one measure of behavioral plasticity is the ability to adjust herd size in line with local environmental conditions. Here, we examine whether a genetically isolated population of Angolan giraffes (G. g. angolensis) in a heterogeneous environment adjust their herd sizes in line with spatiotemporal variation in habitat. Our results suggest that ecological factors play a role in driving herd size, but that social factors also shape and stabilize herd-size dynamics. Specifically, we found that 1) mixed-sex herds were larger than single-sex herds, suggesting that sexual composition of herds played a role in driving herd size; 2) the presence of young did not influence herd size, suggesting that giraffes did not make use of the dilution effect to safeguard their young from predation; and 3) there was a strong relationship between herd size and spatial, but not seasonal, variation in food biomass availability, suggesting stability in herd sizes over time, but temporary variation in line with resource availability. These findings indicate that giraffes adjust herd size in line with local exogenous factors, signaling high behavioral plasticity, but also suggest that this mechanism operates within the constraints of the social determinants of giraffe herd size.
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- 2019
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27. Population structure and spatial ecology of Kordofan giraffe in Garamba National Park, Democratic Republic of Congo
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Karolína Brandlová, Jared A. Stabach, Julian Fennessy, and Mathias D'haen
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0106 biological sciences ,Home range ,Population ,home range ,010603 evolutionary biology ,01 natural sciences ,03 medical and health sciences ,lcsh:QH540-549.5 ,media_common.cataloged_instance ,Giraffa ,education ,Ecology, Evolution, Behavior and Systematics ,Original Research ,030304 developmental biology ,Nature and Landscape Conservation ,media_common ,giraffe ,0303 health sciences ,education.field_of_study ,Ecology ,biology ,National park ,Kordofan giraffe ,population structure ,biology.organism_classification ,Democratic Republic of Congo ,GIS ,autocorrelated kernel density estimation ,Haut‐Uele ,Geography ,Spatial ecology ,Conservation status ,lcsh:Ecology ,Giraffa camelopardalis ,Sex ratio ,Demography - Abstract
Population numbers of Kordofan giraffe (Giraffa camelopardalis antiquorum) have declined throughout its range by more than 85% in the last three decades, including in the isolated easternmost population found in the Garamba National Park (NP) in the Democratic Republic of Congo.We provide new data on the conservation status and ecology of Kordofan giraffe in Garamba NP, specifically on the current population dynamics, distribution patterns, and spatial ecology for informed conservation management decisions.Data were gathered between September 26, 2016, and August 17, 2017, through direct observation and from eight GPS satellite collars deployed in early 2016. Movements, distribution patterns, and autocorrelated kernel density home ranges were estimated using the Continuous‐Time Movement Modeling (CTMM) framework. We then compared results with home ranges calculated using the kernel density estimation (95% KDE) method.The Garamba NP population was estimated to be 45 giraffe with a female‐dominated sex ratio (35% males; 65% females), and adult‐dominated age class ratio (11.2% juveniles; 17.7% subadults; 71.1% adults). The giraffe's distribution was limited to the south‐central sector of the Park, and giraffe were divided over different areas with some degree of connectivity. The average giraffe home range size was 934.3 km2 using AKDE and 268.8 km2 using KDE. Both methods have shown surprisingly large home ranges despite of the relatively high humidity of Garamba NP.Based on the outcomes of this research, urgent conservation action is needed to protect Garamba's remaining giraffe population., Presented manuscript highlights the outputs of extensive fieldwork in Garamba National Park, Democratic Republic of Congo, and brings the first results about the remaining spatially isolated population of the critically endangered Kordofan giraffe. The results of this study represent a solid baseline for conservation decision which will hopefully lead to the long‐term survival of this unique giraffe population.
- Published
- 2019
28. Updated geographic range maps for giraffe, Giraffa spp., throughout sub‐Saharan Africa, and implications of changing distributions for conservation
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Jenna Stacy-Dawes, Peter Leimgruber, Abdoul Razazk Moussa Zaberirou, Matthew S. Becker, Daniel I. Rubenstein, Thomas Rabeil, Michael J. Chase, Jenny Anne Glikman, Jared A. Stabach, Thomas D. Mueller, Paul W. Elkan, Michael B. Brown, Kirstie Ruppert, Symon Masiaine, Samantha Phillips, Arthur B. Muneza, Kathleen S. Gobush, David H. O’Connor, Chloe Bracis, and Julian Fennessy
- Subjects
0106 biological sciences ,aerial survey ,Sub saharan ,geographic range ,Aerial survey ,Endangered species ,decline ,010603 evolutionary biology ,01 natural sciences ,03 medical and health sciences ,Giraffa ,Ecology, Evolution, Behavior and Systematics ,giraffe ,030304 developmental biology ,2. Zero hunger ,0303 health sciences ,biology ,Ecology ,spatial ecology ,endangered ,15. Life on land ,biology.organism_classification ,Agricultural and Biological Sciences (miscellaneous) ,Geography ,Africa ,Spatial ecology ,Animal Science and Zoology - Abstract
Giraffe populations have declined in abundance by almost 40% over the last three decades, and the geographic ranges of the species (previously believed to be one, now defined as four species) have been significantly reduced or altered. With substantial changes in land uses, loss of habitat, declining abundance, translocations, and data gaps, the existing geographic range maps for giraffe need to be updated. We performed a review of existing giraffe range data, including aerial and ground observations of giraffe, existing geographic range maps, and available literature. The information we collected was discussed with and validated by subject‐matter experts. Our updates may serve to correct inaccuracies or omissions in the baseline map, or may reflect actual changes in the distribution of giraffe. Relative to the 2016 International Union for Conservation of Nature Red List Assessment range map, the updated geographic range maps show a 5.6% decline in the range area of all giraffe taxa combined. The ranges of Giraffa camelopardalis (northern giraffe) and Giraffa tippelskirchi (Masai giraffe) decreased in area by 37% (122432 km2) and 4.7% (20816 km2) respectively, whereas 14% (41696 km2) of the range of Giraffa reticulata (reticulated giraffe) had not been included in the original geographic range map and has now been added. The range of Giraffa giraffa (southern giraffe) showed little overall change; it increased by 0.1% (419 km2). Ranges were larger than previously reported in six of the 21 range countries (Botswana, Ethiopia, Mozambique, South Sudan, Tanzania, and Zimbabwe), had declined in seven (Cameroon, Central African Republic, Chad, Malawi, Niger, Uganda, and Zambia) and remained unchanged in seven (Angola, Democratic Republic of Congo, eSwatini, Namibia, Rwanda, Somalia, and South Africa). In Kenya, the ranges of both Giraffa tippelskirchi and Giraffa camelopardalis decreased, but the range of Giraffa reticulata was larger than previously believed. Our updated range maps increase existing knowledge, and are important for conservation planning for giraffe. However, since rapid infrastructure development throughout much of Africa is a driver of giraffe population declines, there is an urgent need for a continent‐wide, consistent and systematic giraffe survey to produce more accurate range maps, in order to inform conservation and policy planning.
- Published
- 2019
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29. O Erro é meu amigo!
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Lucia Giraffa and Margarete Santos
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Early childhood education ,Scholarship ,biology ,Sociology ,Giraffa ,Social science ,biology.organism_classification ,Productivity - Abstract
O Erro é meu amigo! é um livro dedicado a evidenciar que os erros são parte do processo de ensino-aprendizagem, ou melhor, da ensinagem. Dedicado a professores da educação infantil, o livro foi desenvolvido por Lucia Giraffa e Margarete Santos com apoio do CNPq, através de Bolsa de Produtividade e Pesquisa concedida à primeira autora.
- Published
- 2021
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30. Temporal variation in body size and weapon allometry in the New Zealand giraffe weevil.
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PAINTING, CHRISTINA J. and HOLWELL, GREGORY I.
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- *
GIRAFFA , *ALLOMETRY , *WAIST-hip ratio , *SOMATOTYPES - Abstract
1. Body size and exaggerated traits can show high phenotypic plasticity in response to environmental variation. Trait size can vary among generations but also fluctuate within a breeding season in response to resource availability. 2. This study documents patterns of temporal variation in body and weapon size, and in weapon allometry over 3 years for a wild population of New Zealand giraffe weevils [ Lasiorhynchus barbicornis (Fabricius)], the males of which display an extremely elongated rostrum used as a weapon during contests for females. 3. It was predicted that body size and rostrum allometry would decrease during a breeding season, but in spite of significant annual and seasonal variation there was little evidence to support these predictions. Weapon allometry in males was more variable between years and over the breeding season than females, suggesting that male rostrum size may be more susceptible to environmental change than female rostrum size. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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31. Indirect effects of African megaherbivore conservation on bat diversity in the world's oldest desert
- Author
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Joel Berger and Theresa M. Laverty
- Subjects
Wet season ,Conservation of Natural Resources ,Ecology ,biology ,Elephants ,Biodiversity ,Wildlife ,Water ,Vegetation ,Ruminants ,biology.organism_classification ,Geography ,Abundance (ecology) ,Chiroptera ,Animals ,Ecosystem ,Species richness ,Giraffa ,Ecology, Evolution, Behavior and Systematics ,Nature and Landscape Conservation - Abstract
In extreme environments, temperature and precipitation are often the main forces responsible for structuring ecological communities and species distributions. The role of biotic interactions is typically thought to be minimal. By clustering around rare and isolated features, like surface water, however, effects of herbivory by desert-dwelling wildlife can be amplified. Understanding how species interact in these environments is critical to safeguarding vulnerable or data-deficient species. We examined whether African elephants (Loxodonta africana), black rhinoceros (Diceros bicornis), and southern giraffe (Giraffa giraffa) modulate insectivorous bat communities around permanent waterholes in the Namib Desert. We estimated megaherbivore use of sites based on dung transects, summarized vegetation productivity from satellite measurements of the normalized difference vegetation index, and surveyed local bat communities acoustically. We used structural equation models to identify relationships among megaherbivores and bat species richness and dry- (November 2016-January 2017) and wet- (February-May 2017) season bat activity. Site-level megaherbivore use in the dry season was positively associated with bat activity-particularly that of open-air foragers-and species richness through indirect pathways. When resources were more abundant (wet season), however, these relationships were weakened. Our results indicate that biotic interactions contribute to species distributions in desert areas and suggest the conservation of megaherbivores in this ecosystem may indirectly benefit insectivorous bat abundance and diversity. Given that how misunderstood and understudied most bats are relative to other mammals, such findings suggest that managers pursue short-term solutions (e.g., community game guard programs, water-point protection near human settlements, and ecotourism) to indirectly promote bat conservation and that research includes megaherbivores' effects on biodiversity at other trophic levels.Efectos Indirectos de la Conservación de Mega Herbívoros Africanos sobre la Diversidad de Murciélagos en el Desierto Más Antiguo del Mundo Resumen Es común que en los ambientes extremos la temperatura y la precipitación sean las principales responsables de la estructura en las comunidades ecológicas y en la distribución de las especies. Con frecuencia se cree que el papel de las interacciones bióticas en estas características es mínimo. Sin embargo, si nos enfocamos en características raras y aisladas, como el agua superficial, los efectos de la herbivoría ocasionada por la fauna del desierto puede ser amplificada. El entendimiento de cómo las especies interactúan en estos ambientes es importante para salvaguardar a las especies vulnerables o con datos insuficientes. Examinamos si los elefantes africanos (Loxodonta africana), los rinocerontes negros (Diceros bicornis) y la jirafa sureña (Giraffa giraffa) modulan las comunidades de murciélagos insectívoros alrededor de los abrevaderos permanentes en el Desierto del Namib. Estimamos el uso que le dan los mega herbívoros a ciertos sitios con base en transectos, en la productividad de la vegetación resumida a partir de las medidas satelitales del índice normalizado de diferencias en la vegetación (INDV) y en censos acústicos de las comunidades locales de murciélagos. Usamos modelos de ecuaciones estructurales para identificar las relaciones entre los mega herbívoros y la riqueza de especies de murciélagos con la actividad de los quirópteros durante la temporada seca (noviembre 2016 - enero 2017) y la lluviosa (febrero - mayo 2017). El uso a nivel de sitio dado por los mega herbívoros durante la temporada seca estuvo asociado positivamente con la actividad de los murciélagos-particularmente para aquellos que forrajean a cielo abierto-y la riqueza de especies por vías indirectas. Sin embargo, cuando los recursos fueron más abundantes (temporada de lluvias), estas relaciones fueron débiles. Nuestros resultados indican que las interacciones bióticas contribuyen a la distribución de las especies en áreas desérticas y sugieren que la conservación de los mega herbívoros en este ecosistema puede beneficiar indirectamente a la abundancia y la diversidad de los murciélagos insectívoros. Ya que los murciélagos suelen ser poco valorados y poco estudiados en comparación con otros mamíferos, nuestros descubrimientos sugieren que los gestores buscan soluciones a corto plazo (p. ej.: programas de guardias comunitarias de las presas de caza, protección de puntos de abastecimiento de agua cercanos a establecimientos humanos, ecoturismo) para promover indirectamente la conservación de murciélagos y que la investigación incluye los efectos de los mega herbívoros sobre la biodiversidad en otros niveles tróficos.
- Published
- 2021
32. Skeletal dysplasia-like syndromes in wild giraffe
- Author
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Michael B. Brown and Emma Wells
- Subjects
0106 biological sciences ,Bone development ,040301 veterinary sciences ,lcsh:Medicine ,Giraffes ,Biology ,Metacarpal bones ,010603 evolutionary biology ,01 natural sciences ,General Biochemistry, Genetics and Molecular Biology ,0403 veterinary science ,medicine ,Animals ,media_common.cataloged_instance ,Uganda ,Giraffa ,lcsh:Science (General) ,lcsh:QH301-705.5 ,media_common ,National park ,lcsh:R ,Giraffe ,Ruminants ,Syndrome ,04 agricultural and veterinary sciences ,General Medicine ,Shortened radius ,Anatomy ,medicine.disease ,biology.organism_classification ,Namibia ,Life stage ,Research Note ,lcsh:Biology (General) ,Dysplasia ,Disproportionate dwarfism ,Skeletal dysplasia ,Giraffa camelopardalis ,lcsh:Q1-390 - Abstract
Objective Skeletal dysplasias, cartilaginous or skeletal disorders that sometimes result in abnormal bone development, are seldom reported in free-ranging wild animals. Here, we use photogrammetry and comparative morphometric analyses to describe cases of abnormal appendicular skeletal proportions of free-ranging giraffe in two geographically distinct taxa: a Nubian giraffe (Giraffa camelopardalis camelopardalis) in Murchison Falls National Park, Uganda and an Angolan giraffe (Giraffa giraffa angolensis) on a private farm in central Namibia. Results These giraffe exhibited extremely shortened radius and metacarpal bones relative to other similarly aged giraffe. Both giraffe survived to at least subadult life stage. This report documents rare occurrences of these apparent skeletal dysplasias in free-ranging wild animals and the first records in giraffe.
- Published
- 2020
33. Mitochondrial sequences reveal a clear separation between Angolan and South African giraffe along a cryptic rift valley.
- Author
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Bock, Friederike, Fennessy, Julian, Bidon, Tobias, Tutchings, Andy, Marais, Andri, Deacon, Francois, and Janke, Axel
- Abstract
Background: The current taxonomy of the African giraffe (Giraffa camelopardalis) is primarily based on pelage pattern and geographic distribution, and nine subspecies are currently recognized. Although genetic studies have been conducted, their resolution is low, mainly due to limited sampling. Detailed knowledge about the genetic variation and phylogeography of the South African giraffe (G. c. giraffa) and the Angolan giraffe (G. c. angolensis) is lacking. We investigate genetic variation among giraffe matrilines by increased sampling, with a focus on giraffe key areas in southern Africa. Results: The 1,562 nucleotides long mitochondrial DNA dataset (cytochrome b and partial control region) comprises 138 parsimony informative sites among 161 giraffe individuals from eight populations. We additionally included two okapis as an outgroup. The analyses of the maternally inherited sequences reveal a deep divergence between northern and southern giraffe populations in Africa, and a general pattern of distinct matrilineal clades corresponding to their geographic distribution. Divergence time estimates among giraffe populations place the deepest splits at several hundred thousand years ago. Conclusions: Our increased sampling in southern Africa suggests that the distribution ranges of the Angolan and South African giraffe need to be redefined. Knowledge about the phylogeography and genetic variation of these two maternal lineages is crucial for the development of appropriate management strategies. [ABSTRACT FROM AUTHOR]
- Published
- 2014
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34. Social Preferences of Translocated Giraffes (Giraffa Camelopardalis Giraffa) in Senegal: Evidence for Friendship Among Females?
- Author
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Malyjurkova, Lenka, Hejzlarova, Marketa, Vymyslicka, Pavla Junkova, and Brandlova, Karolina
- Subjects
- *
GIRAFFES , *GIRAFFA , *CALVES , *CATTLE - Abstract
Giraffe social behaviour and relationships are currently in the period of scientific renaissance, changing the former ideas of nonexisting social bonds into understanding of complex social structures of giraffe herds. Different giraffe subspecies have been studied in the wild and only one was subject of detailed study in captivity. Our study focused on the neglected Cape giraffe (Giraffa camelopardalis giraffa). We investigated the social preferences of 28 introduced giraffes in semi-captivity in Bandia reserve, Senegal. Our aim was to assess the group size of Cape giraffes outside their native range and describe their social relationships. Mean group size in Bandia was 7.22 ± 4.06 (range 2-17). The dyads were classified according to strength of relationship (weak, medium, strong) using the association index. We reported weak and medium relationships in all types of dyads except female-juvenile. The strongest bond was found in mother-calf dyads. Three of 21 possible female dyads also demonstrated strong relationships. Those three dyads included six of seven adult females, which we labelled as friends. Females associated more frequently with calves of their friends then with calves of non-friend females. The strength of the relationship between calves depended on the strength of relationship between their mothers. We concluded that Cape giraffes in new environment have shown similar group size and nonrandom preference for conspecifics as shown in wild and captive studies. The research was supported by CIGA 20135010, CIGA 2134217, IGA FTZ 20135123, ESF/MŠMT CZ.1.07/2.3.00/30.0040. [ABSTRACT FROM AUTHOR]
- Published
- 2014
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35. Giraffa giraffa giraffa (Boddaert 1784
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Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel, and Hassanin, Alexandre
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Giraffidae ,Giraffa giraffa ,Mammalia ,Animalia ,Biodiversity ,Giraffa ,Chordata ,Taxonomy ,Artiodactyla - Abstract
Giraffa giraffa (Boddaert, 1784) Diagnosis Anterior horn rudimentary, shanks coloured and fully spotted, three ES in the C1orf74 intron: 24 A=>T, 33 A=>G, 825 C=> G; three ES in the DHX36 intron: 127 G =>A, 449 dAT, 498 A=>G; one ES in the IGF2B1 intron: 45 G =>A; one ES in the UBN2 intron: 386 dTCT; six ES in the USP33 intron: 267 G =>A, 279 T=>C, 309 dAA, 538 G =>T, 805 A=>G, 928 G =>A. Type material examined Neotype (here designated) NAMIBIA • 1 specimen (mounted skeleton), “Giraffe of Levaillant”; North of the Orange river; MNHN-A7977. Distribution Angola, Botswana, Mozambique, Namibia (neotype), South Africa, Zambia, Zimbabwe. Remarks No concrete holotype specimen assigned, as specimens of the Prince of Orange Museum in The Hague and the giraffe of Vosmaer (1787) from the Naturalis museum in Leiden (Netherlands) are ʻwhereabouts unknownʼ., Published as part of Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel & Hassanin, Alexandre, 2020, First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens, pp. 1-33 in European Journal of Taxonomy 703 on page 25, DOI: 10.5852/ejt.2020.703, http://zenodo.org/record/3989669, {"references":["Boddaert P. 1784. Camelopardalis giraffa. Elenchus Animalium Vol. 1: Systems Quadrupedia. C. R. Hake, Rotterdam.","Vosmaer A. 1787. Description du chameau-leopard (Camelopardalis). P. Meyer and G. Warners, Amsterdam."]}
- Published
- 2020
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36. Giraffa camelopardalis subsp. senegalensis Petzold, Magnant & Hassanin 2020, subsp. nov
- Author
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Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel, and Hassanin, Alexandre
- Subjects
Giraffidae ,Mammalia ,Giraffa camelopardalis senegalensis petzold, magnant & hassanin ,Animalia ,Giraffa camelopardalis ,Biodiversity ,Giraffa ,Chordata ,Taxonomy ,Artiodactyla - Abstract
Giraffa camelopardalis senegalensis Petzold, Magnant & Hassanin, subsp. nov. urn:lsid:zoobank.org:act: 838C1DB1-59BA-49DD-B5AA-F5432F36B112 Diagnosis Beige ground colour covered with dark brown spots following a reticulated pattern separated by narrow lines, skull features detailed in Blainville (1864), one ES in the Cytb gene: 732 A=> G; four ES in the CR: 92 dC, 95 A=>G, 359 C =>T, 463 A=>G. Type material examined Holotype (here designated) SENEGAL • 1 specimen (skeleton); Bakel; MNHN-A10617. Past distribution Probably extinct, former range extended over Senegal (holotype) and potentially Gambia, Mauritania and Mali.
- Published
- 2020
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37. Giraffa giraffa subsp. giraffa giraffa giraffa (Boddaert 1784
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Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel, and Hassanin, Alexandre
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Giraffa giraffa giraffa (boddaert, 1784) ,Giraffidae ,Giraffa giraffa ,Mammalia ,Animalia ,Biodiversity ,Giraffa ,Chordata ,Taxonomy ,Artiodactyla - Abstract
Giraffa giraffa giraffa (Boddaert, 1784) Camelopardalis australis Swainson, 1835: 284. Camelopardalis capensis Lesson, 1842: 168. Camelopardalis maculata Weinland, 1863: 205, fig. p. 206. Giraffa camelopardalis angolensis Lydekker, 1903: 121, fig. p. 121. Diagnosis One ES in the Cytb gene: 798 T=>C; two ES in the CR: 130 iT, 170 A=>G. Distribution Angola, Botswana, Namibia, Zimbabwe., Published as part of Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel & Hassanin, Alexandre, 2020, First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens, pp. 1-33 in European Journal of Taxonomy 703 on page 25, DOI: 10.5852/ejt.2020.703, http://zenodo.org/record/3989669, {"references":["Boddaert P. 1784. Camelopardalis giraffa. Elenchus Animalium Vol. 1: Systems Quadrupedia. C. R. Hake, Rotterdam.","Swainson W. 1835. A Treatise on the Geography and Classification of Animals. Green Longman, London. https: // doi. org / 10.5962 / bhl. title. 25975","Lesson R. P. 1842. Nouveau tableau du Regne animal: Mammiferes. Arthus Bertrand, Paris.","Weinland D. F. 1863. Zur Erinnerung an unsere Giraffe. Zoologischer Garten 4: 204 - 207.","Lydekker R. 1903. Local variation in the Giraffe. In: Animal Life and the World of Nature. Vol. 2: 78 - 84. Hutchinson & Co, London."]}
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38. Giraffa camelopardalis subsp. peralta Thomas 1898
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Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel, and Hassanin, Alexandre
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Giraffidae ,Mammalia ,Animalia ,Giraffa camelopardalis ,Giraffa camelopardalis peralta thomas, 1898 ,Biodiversity ,Giraffa ,Chordata ,Taxonomy ,Artiodactyla - Abstract
Giraffa camelopardalis peralta Thomas, 1898 Diagnosis Elongated skull, large spatulate nasal opening, vertically upright direction of the ossicones, fawncoloured patch below the ears, white sparsely spotted occipital region; two ES in the Cytb gene: 219 C=>T, 1080 C=>T, and one ES in the CR: 23 A=> G. Type material Holotype NIGERIA • 1 specimen (skull and bones of right fore and left hind limb); Lokoja; NHMUK-1898.2.18.1. Distribution Niger. Remarks The type locality has originally been assigned to the junction between the Niger and Benue rivers in Nigeria, but it was corrected in this study to Lokoja (Nigeria) north of the confluence of the Niger and Benue rivers in accordance with Happold (1969)., Published as part of Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel & Hassanin, Alexandre, 2020, First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens, pp. 1-33 in European Journal of Taxonomy 703 on pages 22-23, DOI: 10.5852/ejt.2020.703, http://zenodo.org/record/3989669, {"references":["Thomas O. 1898. On a new subspecies of giraffe from Nigeria. Proceedings Zoological Society London 1898: 39 - 41.","Happold D. C. D. 1969. The present distribution and status of the giraffe in West Africa. Mammalia 33 (3): 516 - 521. https: // doi. org / 10.1515 / mamm. 1969.33.3.516"]}
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- 2020
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39. First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens
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David Edderai, Michel Saint-Jalme, Jacques Rigoulet, Anne-Sophie Magnant, Alexandre Hassanin, Bertrand Chardonnet, and Alice Petzold
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Conservation genetics ,020209 energy ,Population ,0211 other engineering and technologies ,Zoology ,02 engineering and technology ,Subspecies ,Zarafa ,021105 building & construction ,0202 electrical engineering, electronic engineering, information engineering ,Animalia ,Giraffa ,education ,Chordata ,ancient DNA ,Ecology, Evolution, Behavior and Systematics ,Taxonomy ,Artiodactyla ,education.field_of_study ,biology ,Botany ,Biodiversity ,biology.organism_classification ,Pleistocene ,Phylogeography ,Geography ,Ancient DNA ,Taxon ,conservation genetics ,QL1-991 ,Giraffidae ,QK1-989 ,Mammalia ,Taxonomy (biology) - Abstract
Intensified exploration of sub-Saharan Africa during the 18th and 19th centuries led to many newly described giraffe subspecies. Several populations described at that time are now extinct, which is problematic for a full understanding of giraffe taxonomy. In this study, we provide mitochondrial sequences for 41 giraffes, including 19 museum specimens of high importance to resolve giraffe taxonomy, such as Zarafa from Sennar and two giraffes from Abyssinia (subspecies camelopardalis), three of the first southern individuals collected by Levaillant and Delalande (subspecies capensis), topotypes of the former subspecies congoensis and cottoni, and giraffes from an extinct population in Senegal. Our phylogeographic analysis shows that no representative of the nominate subspecies camelopardalis was included in previous molecular studies, as Zarafa and two other specimens assigned to this taxon are characterized by a divergent haplogroup, that the former subspecies congoensis and cottoni should be treated as synonyms of antiquorum, and that the subspecies angolensis and capensis should be synonymized with giraffa, whereas the subspecies wardi should be rehabilitated. In addition, we found evidence for the existence of a previously unknown subspecies from Senegal (newly described in this study), which is now extinct. Based on these results, we propose a new classification of giraffes recognizing three species and 10 subspecies. According to our molecular dating estimates, the divergence among these taxa has been promoted by Pleistocene climatic changes resulting in either savannah expansion or the development of hydrographical networks (Zambezi, Nile, Lake Chad, Lake Victoria). A correction has been published: Petzold A., Magnant A.-S., Edderai D., Chardonnet B., Rigoulet J., Saint-Jalme M. & Hassanin A. 2020. First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens – Corrigendum. European Journal of Taxonomy 717: 1–2. https://doi.org/10.5852/ejt.2020.717.1093
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40. Giraffa giraffa subsp. wardi Lydekker 1904
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Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel, and Hassanin, Alexandre
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Giraffidae ,Giraffa giraffa ,Mammalia ,Animalia ,Biodiversity ,Giraffa ,Giraffa giraffa wardi lydekker, 1904 ,Chordata ,Taxonomy ,Artiodactyla - Abstract
Giraffa giraffa wardi Lydekker, 1904 Giraffa infumata Noack, 1903: 356. Diagnosis Irregular spots, spots on the side of the face restricted to the region below and behind the eyes, two ES in the Cytb gene: 634 C=>T, 705 A=>G. Type material Holotype SOUTH AFRICA • 1 specimen (mounted head and neck); NHMUK-1903.11.18.1. Distribution Botswana, Mozambique, South Africa (holotype), Zambia, Zimbabwe. Remarks The holotype is given by Lydekker (1914) under the collection number NHMUK - 1903.11.18.1, but this catalogue number leads to a fish specimen (Pomatomus telescopus Risso, 1810) on the collection website (https://data.nhm.ac.uk/dataset/collection-specimens/resource/05ff2255-c38a-40c9-b657- 4ccb55ab2feb/record/3124756). However, two other specimens of wardi can be found in the museum collection (NHMUK-1903.11.17.1 and NHMUK-1903.11.17.3), one of which might be considered the neotype if the holotype cannot be found., Published as part of Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel & Hassanin, Alexandre, 2020, First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens, pp. 1-33 in European Journal of Taxonomy 703 on page 26, DOI: 10.5852/ejt.2020.703, http://zenodo.org/record/3989669, {"references":["Lydekker R. 1904. On the Subspecies of Giraffa camelopardalis. Proceedings of the Zoological Society of London 74: 202 - 227. https: // doi. org / 10.1111 / j. 1469 - 7998.1904. tb 08288. x","Lydekker R. 1914. Catalogue of the Ungulate Mammals in the British Museum. British Museum, London."]}
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41. Giraffa tippelskirchi Matschie 1898
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Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel, and Hassanin, Alexandre
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Giraffa tippelskirchi ,Giraffidae ,Mammalia ,Animalia ,Biodiversity ,Giraffa ,Chordata ,Taxonomy ,Artiodactyla - Abstract
Giraffa tippelskirchi Matschie, 1898 Diagnosis Faint or strongly stellate form of the patches, absence of occipital horns, seven ES in the UBN2 intron: 48 dA, 209 iCATAATATATTTAATATATTTAATATTTAATAA, 243 T=>A, 318 G =>C, 332 T=>G, 504 A=> C, 623 C=>T Type material Lectotype (here designated) TANZANIA • 1 specimen (skull and skin); Lake Eyasi; ZMB-084951. Distribution Kenya, Tanzania (lectotype), Zambia. Remarks Matschie (1898) mentions two different specimens as syntypes, but the second cannot be found in the collection catalogue and might be considered as lost., Published as part of Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel & Hassanin, Alexandre, 2020, First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens, pp. 1-33 in European Journal of Taxonomy 703 on page 24, DOI: 10.5852/ejt.2020.703, http://zenodo.org/record/3989669
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42. Giraffa camelopardalis subsp. rothschildi Lydekker 1903
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Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel, and Hassanin, Alexandre
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Giraffidae ,Mammalia ,Animalia ,Giraffa camelopardalis ,Biodiversity ,Giraffa ,Chordata ,Giraffa camelopardalis rothschildi lydekker, 1903 ,Taxonomy ,Artiodactyla - Abstract
Giraffa camelopardalis rothschildi Lydekker, 1903 Diagnosis Lower parts of the legs pure white and unspotted, spots show a tendency to split up into stars, occipital pair of ossicones, one ES in the CR: 129 T=> C. Type material Holotype KENYA • 1 specimen (mounted skin); Guasin-gisha Plateau east of Mount Elgon; NHMUK-1903.4.15.1. Distribution Western Ethiopia, Kenya (holotype), Uganda, South Sudan., Published as part of Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel & Hassanin, Alexandre, 2020, First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens, pp. 1-33 in European Journal of Taxonomy 703 on page 23, DOI: 10.5852/ejt.2020.703, http://zenodo.org/record/3989669, {"references":["Lydekker R. 1903. Local variation in the Giraffe. In: Animal Life and the World of Nature. Vol. 2: 78 - 84. Hutchinson & Co, London."]}
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43. Giraffa tippelskirchi subsp. tippelskirchi tippelskirchi Matschie 1898
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Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel, and Hassanin, Alexandre
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Giraffa tippelskirchi tippelskirchi matschie, 1898 ,Giraffa tippelskirchi ,Giraffidae ,Mammalia ,Animalia ,Biodiversity ,Giraffa ,Chordata ,Taxonomy ,Artiodactyla - Abstract
Giraffa tippelskirchi tippelskirchi Matschie, 1898 Giraffa schillingsi Matschie, 1898: 79. Diagnosis Stellate formed spots, shanks olive-coloured and spotted down to the hoofs, anterior horn less developed, one ES in the Cytb gene: 1033 C=>T. Distribution Southern Kenya, Tanzania., Published as part of Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel & Hassanin, Alexandre, 2020, First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens, pp. 1-33 in European Journal of Taxonomy 703 on page 24, DOI: 10.5852/ejt.2020.703, http://zenodo.org/record/3989669
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44. Giraffa camelopardalis
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Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel, and Hassanin, Alexandre
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Giraffidae ,Mammalia ,Animalia ,Giraffa camelopardalis ,Biodiversity ,Giraffa ,Chordata ,Taxonomy ,Artiodactyla - Abstract
Giraffa camelopardalis (Linnaeus, 1758) Diagnosis Shanks white, presence of occipital horns, five ES in the Cytb gene: 186 A=> G, 288 G =>A, 333 A=>G, 597 C=>T, 924 C=>T; one ES in the CR: 462 A=>G; two ES in the CTAGE5 intron: 570 T=> C, 705 C=> G; two ES in the CWF19L1 intron: 263 T=> G, 264 T=> G; one ES in the DDX1 intron: 268 dACAT; one ES in the DHX36 intron: 50 iGTT; two ES in the SOS1 intron: 103 T=>C, 118 G=>A. Type material examined Neotype (here designated) ETHIOPIA • 1 specimen (skin and complete skeleton); Abyssinia; MHNT-1996.121.2. Other specimens ETHIOPIA • 1 specimen (skull and skeleton parts); Abyssinia; MNHN-A8012. SUDAN • 1 specimen (skull), “Zarafa”; Sennar; MNHN-1845-211. Distribution Niger, Chad, Cameroon, Central African Republic, Democratic Republic of Congo, South Sudan (holotype), Uganda, Somalia, Ethiopia (neotype), Kenya. Remarks The holotype designation was based on a living giraffe illustrated by Belon du Mans (1553), which was not sampled for a museum collection. The neotype herein designated represents the most complete specimen (skin and complete skeleton) and has been the first giraffe to be dissected, providing several anatomical drawings (see Joly & Lavocat 1845)., Published as part of Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel & Hassanin, Alexandre, 2020, First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens, pp. 1-33 in European Journal of Taxonomy 703 on pages 21-22, DOI: 10.5852/ejt.2020.703, http://zenodo.org/record/3989669, {"references":["Linnaeus C. 1758. Systema Naturae per Regna Tria Naturae. Editio decima reformata, Tomus I. Regnum Animale. Laurentius Salvius, Stockholm.","Belon du Mans P. 1553. Les Observations de plusieurs Singularitez et Choses memorables trouvees en Grece, Asie, Iudee, Egypte, Arabie et autres Pays estranges. Corrozet et Canellat, Paris. https: // doi. org / 10.5962 / bhl. title. 127374","Joly N. & Lavocat A. 1845. Recherches historiques, zoologiques, anatomiques et paleontologiques sur la Giraffe (Camelopardalis giraffa, Gmelin). V. Berger-Levrault, Boulogne-Billancourt."]}
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- 2020
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45. Giraffa tippelskirchi subsp. thornicrofti Lydekker 1911
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Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel, and Hassanin, Alexandre
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Giraffa tippelskirchi ,Giraffidae ,Mammalia ,Animalia ,Biodiversity ,Giraffa ,Chordata ,Giraffa tippelskirchi thornicrofti lydekker, 1911 ,Taxonomy ,Artiodactyla - Abstract
Giraffa tippelskirchi thornicrofti Lydekker, 1911 Diagnosis Low and conical anterior horn, grey colour and scattered spotting of the sides of the face, fawn shanks, three ES in the CR: 39 A=>G, 272 T=>C, 336 T=>A; two ES in the IGF2B1 intron: 60 C=>T, 304 G =>A. Type material Holotype ZAMBIA • 1 specimen (skin); Petauke district; NHMUK-1910.10.17.1. Distribution Luangwa Valley in Zambia., Published as part of Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel & Hassanin, Alexandre, 2020, First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens, pp. 1-33 in European Journal of Taxonomy 703 on page 25, DOI: 10.5852/ejt.2020.703, http://zenodo.org/record/3989669, {"references":["Lydekker R. 1911. Two undescribed giraffes. Nature 87: 484. https: // doi. org / 10.1038 / 087484 c 0"]}
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46. Giraffa camelopardalis subsp. camelopardalis camelopardalis (Linnaeus 1758
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Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel, and Hassanin, Alexandre
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Giraffa camelopardalis camelopardalis (linnaeus, 1758) ,Giraffidae ,Mammalia ,Animalia ,Giraffa camelopardalis ,Biodiversity ,Giraffa ,Chordata ,Taxonomy ,Artiodactyla - Abstract
Giraffa camelopardalis camelopardalis (Linnaeus, 1758) Camelopardalis aethiopicus Ogilby, 1837: 134. Camelopardalis biturigum Duvernoy, 1844: 12, fig. 4. Giraffa camelopardalis typica Bryden, 1899: 489, plate XIV. Diagnosis Front of the face sparsely and sides fully spotted, similar pattern to reticulata but with chestnut or sandy patches. Past distribution Probably extinct, former range between the Blue Nile and Tekezé /Atbara rivers in southeastern Sudan (eastern Sennar) and northern Ethiopia (Abyssinia)., Published as part of Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel & Hassanin, Alexandre, 2020, First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens, pp. 1-33 in European Journal of Taxonomy 703 on page 22, DOI: 10.5852/ejt.2020.703, http://zenodo.org/record/3989669, {"references":["Linnaeus C. 1758. Systema Naturae per Regna Tria Naturae. Editio decima reformata, Tomus I. Regnum Animale. Laurentius Salvius, Stockholm.","Ogilby W. 1837. On the generic characters of ruminants. Proceedings of the Zoological Society of London 1836: 131 - 139.","Duvernoy M. 1844. Sur une machoire de girafe fossile decouverte a Issoudun. Notes communiques au L'Academie de Science, 1843.","Bryden H. A. 1899. Great and Small Game of Africa: An Account of the Distribution, Habits, and Natural History of the Sporting Mammals, with Personal Hunting Experiences. R. Ward, London."]}
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47. Giraffa camelopardalis subsp. antiquorum
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Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel, and Hassanin, Alexandre
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Giraffidae ,Mammalia ,Animalia ,Giraffa camelopardalis ,Biodiversity ,Giraffa ,Chordata ,Giraffa camelopardalis antiquorum (jardine, 1835) ,Taxonomy ,Artiodactyla - Abstract
Giraffa camelopardalis antiquorum (Jardine, 1835) Giraffa camelopardalis sennaariensis Trouessart, 1898: p.902. Giraffa camelopardalis congoensis Lydekker, 1903: 386. Giraffa camelopardalis cottoni Lydekker, 1904: 207, fig. 1. Diagnosis Spots on the upper part of the fore-limbs and the thighs broken up in a number of very small and irregular ones. Type material Holotype SUDAN • 1 ♂ (skull and tanned skin of a male giraffe); South of Darfur; SMF-498. Paratype SUDAN • 1 ♀ (skull and tanned skin of a female giraffe); South of Darfur; SMF-497. Distribution Cameroon, Chad, Central African Republic, Democratic Republic of Congo, South Sudan (holotype). Remarks The holotype designation was based on the information provided by Rüppel (1826), who collected two specimens in North Africa. Both specimens can be meanwhile found in the collection of the Senckenberg Museum Frankfurt (Germany) listed as SMF-498 (skull and tanned skin, male): unspecified type and SMF-497 (skull and tanned skin, female): paratype., Published as part of Petzold, Alice, Magnant, Anne-Sophie, Edderai, David, Chardonnet, Bertrand, Rigoulet, Jacques, Saint-Jalme, Michel & Hassanin, Alexandre, 2020, First insights into past biodiversity of giraffes based on mitochondrial sequences from museum specimens, pp. 1-33 in European Journal of Taxonomy 703 on page 22, DOI: 10.5852/ejt.2020.703, http://zenodo.org/record/3989669, {"references":["Jardine W. 1835. The Natural History of the Ruminating Animals, containing Deer, Antilopes, Camels & c. W. H. Lizars, Edinburgh. https: // doi. org / 10.5962 / bhl. title. 131528","Trouessart L. 1898. Catalogus Mammalium tam viventium quam fossilium. Vol. 4: Tillodontia et Ungulata. Freidlander, Berlin. https: // doi. org / 10.5962 / bhl. title. 130824","Lydekker R. 1903. Local variation in the Giraffe. In: Animal Life and the World of Nature. Vol. 2: 78 - 84. Hutchinson & Co, London.","Lydekker R. 1904. On the Subspecies of Giraffa camelopardalis. Proceedings of the Zoological Society of London 74: 202 - 227. https: // doi. org / 10.1111 / j. 1469 - 7998.1904. tb 08288. x"]}
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48. Whole-genome analysis of giraffe supports four distinct species
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Klaus-Peter Koepfli, Julian Fennessy, Axel Janke, Pavel Dobrynin, Sven Winter, Vikas Kumar, Raphael T. F. Coimbra, and Rebecca M. Gooley
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0301 basic medicine ,Gene Flow ,Male ,Population ,Biodiversity ,Genomics ,Giraffes ,Biology ,Subspecies ,General Biochemistry, Genetics and Molecular Biology ,03 medical and health sciences ,Critically endangered ,0302 clinical medicine ,Species Specificity ,Animals ,Giraffa ,education ,Phylogeny ,education.field_of_study ,Genome ,biology.organism_classification ,030104 developmental biology ,Taxon ,Evolutionary biology ,Taxonomy (biology) ,General Agricultural and Biological Sciences ,030217 neurology & neurosurgery - Abstract
Summary Species is the fundamental taxonomic unit in biology and its delimitation has implications for conservation. In giraffe (Giraffa spp.), multiple taxonomic classifications have been proposed since the early 1900s. 1 However, one species with nine subspecies has been generally accepted, 2 likely due to limited in-depth assessments, subspecies hybridizing in captivity, 3 , 4 and anecdotal reports of hybrids in the wild. 5 Giraffe taxonomy received new attention after population genetic studies using traditional genetic markers suggested at least four species. 6 , 7 This view has been met with controversy, 8 setting the stage for debate. 9 , 10 Genomics is significantly enhancing our understanding of biodiversity and speciation relative to traditional genetic approaches and thus has important implications for species delineation and conservation. 11 We present a high-quality de novo genome assembly of the critically endangered Kordofan giraffe (G. camelopardalis antiquorum) 12 and a comprehensive whole-genome analysis of 50 giraffe representing all traditionally recognized subspecies. Population structure and phylogenomic analyses support four separately evolving giraffe lineages, which diverged 230–370 ka ago. These lineages underwent distinct demographic histories and show different levels of heterozygosity and inbreeding. Our results strengthen previous findings of limited gene flow and admixture among putative giraffe species 6 , 7 , 9 and establish a genomic foundation for recognizing four species and seven subspecies, the latter of which should be considered as evolutionary significant units. Achieving a consensus over the number of species and subspecies in giraffe is essential for adequately assessing their threat level and will improve conservation efforts for these iconic taxa.
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- 2020
49. Species assignment and conservation genetics of giraffe in the Republic of Malawi
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Julian Fennessy, Anna Bronec, Axel Janke, Raphael T. F. Coimbra, Amanda L. Salb, Sven Winter, and Craig Hay
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0106 biological sciences ,0301 basic medicine ,Conservation genetics ,Genetic diversity ,education.field_of_study ,biology ,Population ,Biodiversity ,Zoology ,biology.organism_classification ,010603 evolutionary biology ,01 natural sciences ,03 medical and health sciences ,030104 developmental biology ,Masai giraffe ,Genetics ,Inbreeding depression ,Giraffa ,education ,Inbreeding ,Ecology, Evolution, Behavior and Systematics - Abstract
Historically, giraffe have been translocated across Africa to supplement extant populations, reintroduce extinct populations or to establish new populations, often for conservation and tourism. Such faunal relocations were often carried out disregarding taxonomic affiliation. Today, the small giraffe populations in the Republic of Malawi are assumed to consist of South African giraffe (Giraffa giraffa giraffa), which have likely descended from five individuals translocated from Imire Game Park (Zimbabwe) to Nyala Game Park (Malawi) in 1993. However, during the last 25 years, unknown additional translocations, migrations or unrecognized local populations of potential Masai giraffe (Giraffa tippelskirchi) in Malawi may have resulted in introgressive hybridization. Thus, the current taxonomic affiliation for Malawi’s giraffe is uncertain, calling for a genetic assessment to implement further management. We analyzed mitochondrial sequences and nuclear introns for 14 individuals, representing approximately half of the known Malawian population, to genetically determine the (sub)species of giraffe that occur in the Republic of Malawi by comparison with a comprehensive Giraffa dataset. Additionally, we genotyped individuals at ten microsatellite loci to determine the level of inbreeding and potential introgression. All data identify individuals unambiguously as South African giraffe, although two individuals shared a single nuclear allele with Masai giraffe. The low microsatellite genetic variability suggests high inbreeding in the current population. Thus, supplementing Malawi’s giraffe populations with G. g. giraffa will prevent further loss of their genetic diversity and avoid inbreeding depression.
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- 2019
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50. Euconnus (Rhomboconnus): redescriptions of species described by Schaufuss and Sharp, and descriptions of five new Mexican species (Coleoptera, Staphylinidae, Scydmaeninae)
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Paweł Jałoszyński
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Panama ,Insecta ,Arthropoda ,Scydmaenidae ,Animal Structures ,Zoology ,Biodiversity ,Organ Size ,Biology ,biology.organism_classification ,Coleoptera ,Animalia ,Animals ,Body Size ,Animal Science and Zoology ,Taxonomy (biology) ,Giraffa ,Subgenus ,Animal Distribution ,Mexico ,Ecology, Evolution, Behavior and Systematics ,Taxonomy - Abstract
To date, the subgenus Rhomboconnus Franz of Euconnus Thomson was represented by twelve species known to occur in Bolivia, Ecuador, Panama, Peru, and Venezuela. Examination of Neotropical species described by David Sharp and Ludwig Wilhelm Schaufuss revealed that two more species, previously not recognized as members of Rhomboconnus, occur in Guatemala and Brazil: Euconnus cavifrons (L.W. Schaufuss) and E. giraffa Sharp. The latter species was redescribed by Herbert Franz and recorded to occur in Mexico. Franz’s ‘redescription’, however, was based on misidentified specimens. Five new species are described, all known to occur in souther n Mexico: Euconnus (Rhomboconnus) agiraffa sp. n., Euconnus (Rhomboconnus) oaxacanus sp. n., Euconnus (Rhomboconnus) bicarinatus sp. n., Euconnus (Rhomboconnus) cordobanus sp. n., and Euconnus (Rhomboconnus) maya sp. n.
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- 2020
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