Gyrfalcon
Image: luis (cc-by-nc)
NameGyrfalcon
Common NameGyrfalcon
Scientific NameFalco rusticolus
FamilyFalconidae
Wingspan (cm)110
Length (cm)55
Weight (g)1450
Plumage DetailsPlumage is highly variable, ranging from pure white (most common in Greenland) to silver, brown, and dark grey morphs. All morphs typically show some degree of barring or spotting, especially on the underparts and wings. The back is usually darker than the belly, and they lack a strong malar stripe.
Vocalization / CallVocalizations include harsh, rapid 'kak-kak-kak' or 'kree-kree-kree' calls, especially when agitated or defending a nest. They also produce softer 'wii-wii-wii' calls.
Primary Dietcarnivore
Primary Habitatsarctic tundra, rocky coasts, mountains, open country
Conservation Statusleast-concern
Geographic RangeCircumpolar distribution across the Arctic and subarctic regions of North America, Europe, and Asia, including Greenland, Iceland, Scandinavia, Russia, Alaska, and northern Canada.
Identifying Featureslarge size, pointed wings, powerful flight, variable plumage color morphs (white, silver, brown, dark grey), lack of strong malar stripe, Arctic habitat
Description
The Gyrfalcon is the largest falcon species, inhabiting Arctic and subarctic regions. Known for its powerful flight and predatory prowess, it hunts birds and mammals in open country. Its plumage varies widely from pure white to dark grey, adapting to its snowy and rocky environments.
