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333 results on '"McMurry, Scott T."'

3. Nest placement accounts for thermal exposure secondarily: insights on multifarious selection.

Author

Harris, Jonathan P., McMurry, Scott T., Liñan, Gustavo, and Corregidor-Castro, Alejandro

Subjects
LIFE history theory, NATURAL resources management, NEST predation, LIFE sciences, HEAT convection, PREDATION, BABY birds
Abstract

Introduction: Multifarious selective pressures can interact to affect species' life history evolution, with predation and thermal exposure as selective pressures for nesting birds. Gray Vireos (Vireo vicinior) seemingly nest on the periphery of their nesting substrate because of lower predation rates, thereby increasing exposure to weather. We explored how nest placement and vegetation structure can be used to account for the increased weather exposure that Gray Vireos experience when nesting on the periphery of the nesting substrate to avoid predation. Methods: For each Gray Vireo nest, we placed temperature and light data loggers at three locations: at the nest site, at the opposite orientation of the nest within the nesting tree, and at the same orientation of the nest but in an adjacent tree. To measure nest orientation, we recorded the inverse compass azimuth (+/-1°) from the nest toward the trunk of the nesting tree, while accounting for declination. Nest temperatures and light exposure were compared across various dimensions of nest placement. Results: The orientation of nests was cooler than the opposite orientation in the mornings and in the late afternoons. When nests were placed in hotter orientations (e.g., south- or west-facing), nests surrounded by more foliage or placed closer to the interior of trees could compensate for the increased exposure. Discussion: Our findings suggest Gray Vireos accounted for the increased thermal exposure that comes from predator avoidance by using secondary dimensions of nest placement. Specifically, nests could be placed in orientations with cooler temperatures or in hotter orientations with greater shade potential. These results highlight how the interactive selection pressures of predation risk and microclimate can be tiered and shape life-history characteristics of birds. [ABSTRACT FROM AUTHOR]

Published
2024
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28. Apis mellifera subsp. scutellata Lepeletier 1836

Author

Platt, Steven G., Rainwater, Thomas R., and McMurry, Scott T.

Subjects
Insecta, Arthropoda, Apis, Apis mellifera scutellata, Animalia, Biodiversity, Apidae, Apis mellifera, Hymenoptera, Taxonomy
Abstract

Honeybees (Apis mellifera scutellata) A colony of Africanised honeybees was present during July and August 1997 (and perhaps longer) in a hollow stump located approximately 2 m from a C. moreletii nest on a low-lying island in GBL. The bees aggressively defended the area surrounding the nest and one of us (TRR) together with an accompanying dog (Canis lupus familiaris) were stung repeatedly as we attempted to remove, measure, and weigh eggs at the nest. The honey bee colony was no longer present when we returned to the island in 1998 or thereafter., Published as part of Platt, Steven G., Rainwater, Thomas R. & McMurry, Scott T., 2021, Fauna associated with the nests of Crocodylus moreletii and Crocodylus moreletii × acutus in Belize, pp. 133-149 in Journal of Natural History 55 (3 - 4) on page 138, DOI: 10.1080/00222933.2021.1895350, http://zenodo.org/record/5469892

Published
2021
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29. Fauna associated with the nests of Crocodylus moreletii and Crocodylus moreletii × acutus in Belize

Author

Platt, Steven G., Rainwater, Thomas R., and McMurry, Scott T.

Subjects
Insecta, Arthropoda, Animalia, Biodiversity, Apidae, Chordata, Hymenoptera, Formicidae, Taxonomy
Abstract

Platt, Steven G., Rainwater, Thomas R., McMurry, Scott T. (2021): Fauna associated with the nests of Crocodylus moreletii and Crocodylus moreletii × acutus in Belize. Journal of Natural History 55 (3-4): 133-149, DOI: 10.1080/00222933.2021.1895350, URL: http://dx.doi.org/10.1080/00222933.2021.1895350

Published
2021

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