Results 31 to 40 of about 309 (139)

Falcon Nest Occupancy and Hatch Success Near Two Diamond Mines in the Southern Arctic, Northwest Territories

Avian Conservation and Ecology, 2013
Sensitivity to anthropogenic disturbance in conjunction with slow population recovery has raised conservation concerns over impacts to raptor species from industrial development in pristine areas of their North American breeding range.
Daniel W. Coulton, John A. Virgl, Colleen English   +2 more
doaj   +1 more source

Contraband of Falcons

Пернатые хищники и их охрана, 2016
According to the criminal proceeding in smuggling of falcons, former employees of the Line Internal Affairs Department in MIA transport, working in Domodedovo airport, were sentenced to large fines  - A. Kurokhtin, D. Gorodenko and A.
Elvira G. Nikolenko, Igor V. Karyakin
doaj  

Genetic variability and population structuring in the European Lanner Falcon Falco biarmicus feldeggii

Avocetta, 2019
We analysed variation in 10 polymorphic microsatellites and a variable portion of control region of mtDNA in 24 specimens from 3 populations of European Lanner Falcon Falco biarmicus feldeggii living in Sicily, continental Italy and the Balkan area to ...
Maurizio Sarà, Chiara Mengoni, Nadia Mucci, Enrico Guzzo, Milan Ruzic, Mirko Amato, Nicola Antioco, Giovanni Boano, Salvatore Bondì, Giovanni Leonardi, Angelo Nardo, Rosario Mascara, Adua Ossino, Elisa Vitale, Laura Zanca   +14 more
doaj   +1 more source

Trophic discrimination of amino acid ‐specific nitrogen stable isotopes in raptor nestlings: implications for estimating trophic position

Journal of Zoology, Volume 327, Issue 3, Page 236-247, November 2025.
We used high‐precision diet estimates from nest cameras to estimate amino acid‐specific trophic discrimination factors (TDFs) for gyrfalcon nestlings and compared these against TDFs for other taxa from the literature. TDFs for trophic amino acids in gyrfalcon were lower than values that have typically been used to estimate trophic position.
A. Bautista, D. L. Johnson, M. T. Henderson, D. L. Anderson, T. L. Booms, C. T. Williams   +5 more
wiley   +1 more source

Absence of negative effect of GPS‐tags on survival and breeding success in a long‐lived territorial raptor

Ibis, Volume 167, Issue 4, Page 1053-1064, October 2025.
GPS tracking has enabled significant advances in the study of animal movements such as migration and habitat use. However, GPS devices can affect the behaviour of tagged individuals, especially for flying animals such as birds, and may ultimately impair their reproduction and/or survival.
Lise Viollat, Roger Pradel, Cécile Ponchon, Alain Ravayrol, Alexandre Millon, Aurélien Besnard   +5 more
wiley   +1 more source

The Sustainable Trapping of Falcons – is It Possible in Russia and Other CIS Countries?

Пернатые хищники и их охрана, 2016
This article was prepared according on the analysis of the situation with the poaching and smuggling of falcons (Gyrfalcon Falco rusticolus, Saker Falcon F. cherrug and Peregrine Falcon F. peregrinus) in CIS countries in 2006–2015.
Elvira G. Nikolenko
doaj   +1 more source

Evolutionary Relationships and Genetic Diversity in the Southern Siberian Populations of the Saker Falcon (Falco cherrug), a Young and Endangered Species

Diversity
Studying intraspecific differentiation in closely related species is essential to clarify the phylogenetic relationships and mechanisms of early stage speciation, particularly in evolutionarily young lineages affected by human-driven population declines.
Daria Nikolaevna Rozhkova, Elena Pavlovna Shnayder, Valentina Georgievna Tambovtseva, Igor Vyacheslavovich Karyakin, Alla Veniaminovna Blekhman, Oleg Evgenievich Lazebny, Svetlana Yuryevna Sorokina, Ludmila Sergeevna Zinevich, Alexey Mikhailovich Kulikov   +8 more
doaj   +1 more source

Climatic variation affects seasonal survival of an alpine bird species

Wildlife Biology, Volume 2025, Issue 4, July 2025.
Mountains are particularly exposed to climate change, and empirical studies have shown that montane bird species are highly sensitive to the ongoing changes. Modelling mortality risks under climatic variation will give insight into species‐specific sensitivity. Willow ptarmigan Lagopus l.
Lasse Frost Eriksen, Thor Harald Ringsby, Markus F. Israelsen, Pål F. Moa, Vidar Grøtan, Erlend B. Nilsen   +5 more
wiley   +1 more source

Diet of the Gyrfalcon (Falco rusticolus ) in Northern Fennoscandia.

Gyrfalcons and Ptarmigan in a Changing World, 2011
—the Gyrfalcon is a circumpolar, arctic and resident raptor in Fennoscandia and is totally dependent on only one or two ptarmigan species, the Willow Ptarmigan (Lagopus lagopus) and rock Ptarmigan (Lagopus muta), for food over half of the year. the diet of the Gyrfalcon has been studied in many parts of its range in earlier decades, but recently only ...
openaire   +1 more source

No support for solar radiation as a major evolutionary driver of malar stripes in falcons

Journal of Avian Biology, Volume 2025, Issue 3, May 2025.
The malar stripes of falcons (Falco spp.) are often hypothesised to function by reducing the amount of solar glare reflected into the falcon's eyes while hunting, thereby aiding foraging efficiency in bright conditions. This ‘solar glare hypothesis' is supported by intraspecific trends in peregrine falcons Falco peregrinus, in which populations ...
Michelle Vrettos, Chevonne Reynolds, Arjun Amar   +2 more
wiley   +1 more source