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The article discusses the reintroduction efforts of the Osprey in Switzerland in 2023, emphasizing the priority on territory search and the significant events observed during the spring, such as the formation of breeding pairs and nesting attempts. Topics include the monitoring of returning individuals, nesting success, and the presence of introduced females in neighboring countries, highlighting ongoing efforts to track and support the osprey population's recovery in Switzerland.

The article provides information on the 9th Employee Meeting, conducted by the Ornithological Center in Romandie and the Swiss Ornithological Station, in Switzerland, covering several topics related to bird monitoring and conservation. It mentions that Hans Schmid from the Swiss Ornithological Station presented the progress and findings of the Monitoring des oiseaux nicheurs réguliers (MONiR) program, which aims to track the population trends of nesting bird species.

Three Eurasian Pygmy-Owl broods were discovered in the Jura Mountains, at relatively close distances from each other at 425 and 470 meters respectively. Nesting took place at an average altitude of 1200 meters, in Spruce Picea abies with a diameter of about 50 centimeters. Two of them were woodpecker cavities in dead trees, while the third was a natural cavity in a healthy tree. The breeding season of 2021 was favoured by an abundance of forest-dwelling small mammals, which led to a high breeding success and to early laying dates. [ABSTRACT FROM AUTHOR]

The article reports that the reproduction of the Eurasian Sparrowhawk was studied in the Camargue at several sites between 1988 and 2010. Topics include examines this study made it possible to identify different aspects of the nesting and diet of this raptor which are comparable to those described in other work carried out in Europe.

On 16 July 2021, a case of predation by a Magpie of two young House Martins in the nest was noted in the hamlet of La Forclaz/Ormont-Dessous VD 1260 m thanks to the installation of an automatic camera near artificial nests. The House Martin does not normally appear to be an important prey item of the Magpie. [ABSTRACT FROM AUTHOR]

The article focuses on studying the reproduction biology and performance of the Red Kites in the Fribourg and Berne cantons from 2015 to 2020, analyzing key parameters like nesting population, pre- and post-hatching behaviors.

The article focuses on methods of monitoring of nesting populations of Woodcock Scolopax rusticola in Switzerland. Topics discussed include advantages and disadvantages of the bioacoustic method, in order to better define the framework of its use, as well as its interest; favor to bioacoustic method due to simultaneous censuses; and Woodcock in red list of endangered nesting species in Switzerland.

The article focuses on nesting of a pair of Golden Eagles Aquila chrysaetos in the Valais Alps in Switzerland. Topics discussed include assessment of the size of the territories of each couple, which shows their territorial behavior; domination of the place by depositing larch branches and blueberry roots; and information on how the couple abandon the highs and concentrate on the lower parts in winter, where Chamois Rupicapra rupicapra, Ibex Capra ibex and avalanche victims are found.

The article discusses Nesting's of the rush cisticola Cisticola juncidis in the Chablais (Vaud & Valais, Switzerland) in 2019 and 2020, which includes after nesting in 1975 and 2001 in the Grangettes nature reserve Noville VD, the Cisticola des rushes nestled there again in 2019 and 2020, totaling at least eight reproductions, these same years, two other have also ended at Rigoles de Vionnaz VS.

The article discusses Ornithological chronicle in Romandie: spring-summer and nesting in 2020, which includes a Mediterranean air blows over Switzerland. Like very regularly in recent years, most months show a surplus significant thermal. Winter 2019-2020 was thus the second mildest since the start of measures and the spring of 2020 the third, these records repeatedly are undoubtedly one of the markers of the warming of the weather.

The article provides information on the returning of three birds, Rocket (PR9) and Taurus (PS7) in Switzerland, as well as Mouche (PR4) in France. Topics discussed includes construction of new bird's nests, reintroduction of the birds species at Rutland Water (England) and attracting birds population.

In 2019 a pair of Cetti's Warblers successfully bred in the Étournel marsh (Ain, France). The male was present from 18 March onward. The female was found on 8 June when courtship was observed in which both birds sang alternatively. On 14 July at least three chicks occupied the nest, situated in brambles, Rubus sp, at 1,1 m above the ground. The nest was situated on the periphery of the 0,9 ha territory. This first proven breeding in the Geneva basin should be placed in the context of the progression of the species towards the north along the Rhône valley. [ABSTRACT FROM AUTHOR]

L'été, nos grands lacs sont animés par de petites sternes très fines et élégantes: les Sternes pierregarins Sterna hirundo. Leurs poursuites et leurs cris attirent vite l'attention et c'est un vrai plaisir de pouvoir observer ces migrateurs au long cours. Pourtant, elles ont failli disparaître de Suisse comme nicheuses à la suite des corrections de cours d'eau qui ont supprimé les bancs de gravier où elles se reproduisaient. En 1952, il ne subsistait qu'une colonie, au Fanel BE/NE. Actuellement, elles ne nichent plus que sur des sites aménagés à leur intention, tels que plateformes ou îlots. Lors des recensements effectués en 2013-2016 dans le cadre de l'Atlas des oiseaux nicheurs de Suisse, 583-760 couples ont été dénombrés dans notre pays, dont 130-200 en trois sites sur le lac de Morat (Salavaux VD dès 1988, Sugiez FR dès 2004 et Faoug VD dès 2006). [ABSTRACT FROM AUTHOR]

The article focuses on observations of first nesting of the Rock Swallow Ptyonoprogne rupestris in the canton of Geneva, Switzerland. It mentions observations of nest-building behavior with mud swabs on the path and birds disappearing between the arches inside the bridge; and also mentions abandonment of the first nest and the construction of the second, which delayed the emancipation of the young and destroyed the hope of a second brood.

The article discusses nesting of Window Swallows Delichon urbicum in nesting boxes of Black Swifts Apus apus. It mentions two Black Swifts hung on several times to the nesting box occupied by the Swallows, poking out the head of a chick as they thought that the Black Swifts were coming to feed the Swallow; and also mentions Window Swallow invests and hijacks the nest for its own benefit.

The article reports on the location of a nest and density of the Cinclus plunger in Switzerland. In the spring of 2018, a pair of Cincles built their nest suspended from a falling branch, just above the channeled Broye, in a situation exposed to the view and the weather. It housed a successful reproduction.

The article focuses on the incubation of Lammergey Gypaetus barbatus bird in Rhêmes Valley, Italy. Topics discussed include spawning of female birds nesting, trio of bearded vultures, first breeding attempts of bird, hatching of eggs of female birds, bird nesting with spawning and plumage characteristics of birds.

The article focuses on a report released by the Centrale ornithologique romande on the bird nesting in spring and summer season in 2018. Topics discussed include bird species in 19th century, discovery of Gyps fulvus vulture, bird invasion in Switzerland, nesting of bird species and ornithology of birds.

The article discusses behavior of bird, red backed shrike focusing on its breeding, migration and feeding pattern. Topics include hunting techniques of red backed shrike unlike raptors, adjustment of bird species because of weather conditions and behavior of nesting for safeguarding from prey species.

The article discusses twelve new bird conservation projects in western Switzerland, focusing on protecting bird habitat, nesting behavior of birds and installation of nesting boxes. Topics include population of flycatcher of Switzerland, proper feeding of waterbirds and nesting behavior of kingfisher.

The article informs about the 6th International Conference on Swifts, Segovia, which will include ornithologists studies for birds migration and behavior. Topics include reproduction in general, conservation nesting sites and bird care from the Swiss Ornithological Station; and constituted the contribution of Swiss ornithologists of fauna and flora, sheltering dozens of vulture nests in natural site.

The article focuses on the North African blue tit Parus caeruleus ultramarinus' nest predation in the national park of El Kala, Algeria. It mentions that females laid 7.2 eggs and predation rate was 40.4%. It mentions that nest predation was observed during four breeding seasons. Moreover, it states that there are four types of nest predation due to a mammal, a reptile, a bird, and several rodents.

The article offers ornithology news briefs from May to July 2020 in Switzerland. Topics include launch of Graubünden, a third regional branch for the Swiss Ornithological Institute to help monitor endangered species, meadows and alluvial areas; day of sharing and training in field ornithology organized by Ornithologique de Friborg for the development of nesting, and tools for species monitoring; and the appointment of Gilberto Pasinelli at Conseil de fondation de la Station ornithologique.

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The article provides information on the birdwatching of black crows, corvus corone and observing their habits. Topics include bird calls made by crows for sheltering, concerted hunting behavior of crows and aggressiveness of bird breeding and bird breeders and nest building of black crows where nest building sites are rare.

The article provides information on the artificial nests installed by ornithological society La Fauvette in the Breuleux JU region, which aims to protect the species of window swallows and black swifts birds. Topics discussed includes giant swallow tower for artificial nests, nesting boxes and conservation of birds.

The article reports on the nesting season of the red-necked Grebe that often nests in small, well-vegetated ponds.