Results 71 to 80 of about 36,396 (177)
Single tracheal inoculation of Aspergillus fumigatus conidia induced aspergillosis in juvenile falcons (Falco spp.) [PDF]
, 2017 Aspergillosis is a common and life-threatening respiratory disease in raptors with acute and chronic courses. Among raptors, gyrfalcons (Falco rusticolus) and their hybrids are often declared to be highly susceptible with juvenile individuals being the ...
Martel, An +9 more
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Conservation Biology of the Gyrfalcon (Falco rusticolus ) in Northern Fennoscandia.
Gyrfalcons 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
Genetics of plumage color in the gyrfalcon (Falco rusticolus): analysis of the melanocortin-1 receptor [PDF]
, 2012 Genetic variation at the melanocortin-1 receptor (MC1R) gene is correlated with melanin color variation in a few reported vertebrates. In Gyrfalcon (Falco rusticolus), plumage color variation exists throughout their arctic and subarctic circumpolar ...
Kurt K Burnham +2 more
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BirdsSpring conditions may influence reproduction in the Gyrfalcon, Falco rusticolus, but their effects are difficult to separate from prey variation. We compared 66 nesting territories in 2024 and 69 in 2025 across natural tree nests, artificial nests ...
Aleksandr A. Sokolov +5 more
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Biological Traits of the Gyrfalcon (Falco rusticolus ) in Relation to Climate Change.
Gyrfalcons and Ptarmigan in a Changing World, 2011 A BSTRACT.—Largest of the true falcons (Falco spp.), the Gyrfalcon (Falco rusticolus) is the northernmost diurnal raptor with a circumpolar breeding distribution restricted to subarctic and arctic zones between 55o and 82o N. Some Gyrfalcons migrate south into north temperate zones in winter, but others remain in northern latitudes wherever suitable ...
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, 2011 Verkefnið er lokaðThe Icelandic gyrfalcon (Falco rusticolus) is a small and isolated non-migratory population and its ecological status has been carefully monitored for the last three decades.
Lára Guðmundsdóttir
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, 2019 Ann De Falco worked on staff in the Birnbaum Library at Pace University from 1998 to 2019.https://digitalcommons.pace.edu/oralhistory/1001/thumbnail ...
De Falco, Ann
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Brief Review of Russian-language Literature on the Gyrfalcon (Falco rusticolus ).
Gyrfalcons and Ptarmigan in a Changing World, 2011 —About 50% of the world range of the Gyrfalcon (Falco rusticolus) is in Russia, with the highest density in the southern Yamal, and the largest numbers located in Kamchatka. The main source of information on Russian Gyrfalcons is the monograph “Gyrfalcons” by Dementiev, published in 1951 and later translated into German and English. Analysis of Russian
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The Ecology of Gyrfalcons (Falco rusticolus ) on the Yukon-Kuskokwim Delta, Alaska.
Gyrfalcons and Ptarmigan in a Changing World, 2011 —The Yukon-Kuskokwim Delta in western Alaska is dominated by tundra, wetland, and riparian communities in a subarctic landscape characterized by minimal topographic relief. Extensive uplands north of the Yukon River and east of the Kuskokwim River, however, support breeding Gyrfalcons (Falco rusticolus).
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Falconry is an ancient practice that involves the breeding and training of birds of prey for activities such as hunting, being an integral part of the culture in various regions, including the Middle East, Europe, and the Americas.
Caroline Silva Vieira
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