Gyrfalcon
Image: luis (cc-by-nc)
NameGyrfalcon
Common NameGyrfalcon
Scientific NameFalco rusticolus
FamilyFalconidae
Wingspan (cm)115
Length (cm)56.5
Weight (g)1450
Plumage DetailsPlumage is highly variable, ranging from nearly pure white (especially in Greenland) to dark grey or brown, often with heavy barring on the underparts and wings. The head is typically darker than the body, and the back can be mottled or barred. The bird in the image appears to be a grey morph with distinct barring.
Vocalization / CallVocalizations include harsh, rapid 'kak-kak-kak' calls, particularly when agitated, defending a nest, or communicating with mates. They can also produce a series of sharp 'kree-kree-kree' notes.
Primary Dietcarnivore
Primary Habitatstundra, arctic regions, mountains, open country, coastal cliffs
Conservation Statusleast-concern
Geographic RangeCircumpolar Arctic and subarctic regions across North America, Europe, and Asia, including Greenland, Iceland, Scandinavia, Russia, Alaska, and northern Canada.
Identifying Featureslarge size, pointed wings, powerful flight, variable plumage (white, grey, dark morphs), lack of a strong malar stripe (unlike Peregrine Falcon), long tail
Description
The Gyrfalcon is the largest falcon species, a powerful and agile hunter adapted to cold, open environments. It is known for its swift flight and predatory skill, primarily preying on birds and small mammals in Arctic and subarctic regions.
