Results 41 to 50 of about 309 (139)

Quantifying the global legal trade in live CITES-listed raptors and owls for commercial purposes over a 40-year period [RETRACTED VERSION]

open access: yesAvocetta, 2019
This paper has been retracted by the authors that found an error in the dataset, eventually partially affecting the results. A retraction letter is published in Avocetta 44.2 (Issue released on December 2020) Original Abstract: The global wildlife trade
Connor T. Panter   +2 more
doaj   +1 more source

Keystone effects of prairie dogs (Cynomys spp.) on grassland birds: Current knowledge and future directions

open access: yesConservation Science and Practice, Volume 7, Issue 4, April 2025.
This article reviews the literature on how prairie dogs as keystone species affect grassland birds, an imperiled avian community. We tested hypotheses and synthesized conclusions from the literature, and then we identified key knowledge gaps to be filled with future work.
R. Andrew Dreelin   +2 more
wiley   +1 more source

Изменчивость кречета и балобана по морфологическими генетическим признакам

open access: yesПернатые хищники и их охрана, 2018
Три вида соко лов: балобан (Falco cherrug), кречет (F. rusticolus) и сапсан (F. peregrinus) оказались наиболее подверженными воздействию со стороны человека.
Alexandra Nechaeva   +4 more
doaj  

Pre-extraction drying alters fecal testosterone measurements and variability in male Gyrfalcons (Falco rusticolus)

open access: yesTheriogenology Wild
Non-invasive endocrine monitoring is an important tool in captive breeding programs for birds, however, hormone measurements from fecal samples remain sensitive to methodological decisions.
Caroline Silva Vieira   +6 more
doaj   +1 more source

Avian influenza annual report 2023

open access: yesEFSA Journal, Volume 23, Issue 1, January 2025.
Abstract All European Union (EU) Member States (MSs), along with Iceland, Norway, Switzerland and the United Kingdom (Northern Ireland), conduct surveillance for avian influenza (AI) in poultry and wild birds. EFSA, upon mandate of the European Commission, compiles and analyses this data in an annual report.
European Food Safety Authority (EFSA)   +9 more
wiley   +1 more source

A Helicopter Survey for Cliff-Nesting Raptors Along the Dalton Highway in Northern Alaska, 2010

open access: yesBirds
We conducted a helicopter survey in 2010 for cliff-nesting raptors along the Dalton Highway in northern Alaska. The study area extended from the Yukon River northward ~395 km through the Brooks Range to the Arctic Plain.
Erica H. Craig   +2 more
doaj   +1 more source

Regional demography of Icelandic rock ptarmigan and its implications for harvest management

open access: yesEcological Solutions and Evidence, Volume 5, Issue 4, October–December 2024.
Integrated population models revealed regional differences in rock ptarmigan demography in Iceland. These differences warrant different harvest strategies, as demonstrated by both equilibrium and non‐equilibrium harvest strategies. Abstract The rock ptarmigan (Lagopus muta) is a popular game bird in Iceland, but management of hunting has tended to be ...
Fred Allen Johnson, Ólafur Karl Nielsen
wiley   +1 more source

Properties of vertebrate predator–prey networks in the high Arctic

open access: yesEcology and Evolution, Volume 14, Issue 6, June 2024.
Predation is an important ecological process, particularly in arctic environments, which undergo rapid environmental change. Vertebrate trophic networks from a fragmented terrestrial ecosystem on northern Ellesmere Island and north Greenland were less complex, had more specialized interactions, and were more nested and more modular than random ...
Muzit Abrham   +7 more
wiley   +1 more source

Beneath the Feathers: Hidden Burden of Serratospiculum and Other Endoparasites in Falcons Raised in Captivity in Serbia

open access: yesBirds
Parasitic infections represent an important health challenge in falcons (Falconidae), where they may negatively influence survival, reproduction, and performance.
Dajana Davitkov   +5 more
doaj   +1 more source

Conservation Biology of the Gyrfalcon (Falco rusticolus ) in Northern Fennoscandia.

open access: yesGyrfalcons and Ptarmigan in a Changing World, 2011
—Northern Fennoscandia is one of the few areas in the world where there are systematic and comparable data on the population density and breeding of the Gyrfalcon during the last 150 years. I have studied population ecology and conservation biology of the species in Finland and nearby areas on the Swedish and Norwegian side of the border since the ...
openaire   +1 more source

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