Gyrfalcon - Wikipedia
White form gyrfalcons are the only predominantly white falcons. Silver gyrfalcons resemble a light grey lanner falcon of larger size. The species shows no sex-based colour differences; juveniles are darker and browner than adults.
Gyrfalcon Identification - All About Birds
The largest falcon in the world, the ghostly Gyrfalcon is a fierce predator in the High Arctic, where it chases down ptarmigans in flight or plummets from the sky at breathtaking speeds to strike prey to the ground.
Gyrfalcon | Audubon Field Guide
This formidable predator, the largest falcon in the world, reigns over barren tundra and desolate coasts in the high Arctic. There it preys mostly on large birds such as ptarmigan and waterfowl, overtaking them in powerful flight.
Gyrfalcon | Arctic, Predator & Raptor | Britannica
gyrfalcon, (Falco rusticolus), Arctic bird of prey of the family Falconidae that is the world’s largest falcon. Confined as a breeder to the circumpolar region except for isolated populations in Central Asian highlands, it is sometimes seen at lower latitudes in winters when food is scarce.
Gyrfalcon Overview, All About Birds, Cornell Lab of Ornithology
The largest falcon in the world, the ghostly Gyrfalcon is a fierce predator in the High Arctic, where it chases down ptarmigans in flight or plummets from the sky at breathtaking speeds to strike prey to the ground.
Gyrfalcon - Facts, Diet, Habitat & Pictures on Animalia.bio
White form gyrfalcons are the only predominantly white falcons. Silver gyrfalcons resemble a light grey lanner falcon of larger size. Juveniles are darker and browner than adults.
Gyrfalcon - The Peregrine Fund
The Gyrfalcon is the largest true falcon in the world. They have a variety of plumage colors that range from a dappled white to almost pure black. Gyrfalcons have been highly regarded by falconers throughout falconry’s history.
Gyrfalcon - eBird
Stocky beast of a falcon; ranges in color from strikingly white to silvery-gray to dark sooty-brown. Relatively long tail and broad wings with powerful flight. Generally darker above and paler below, with markings on the belly ranging from small and crisp to big and chunky.
Gyrfalcon - The Raptor Center
The largest falcon in the world, the gyrfalcon has three plumage phases: gray, black, and white. With the dark eye, notched beak (tomial teeth), and pointed wings typical of falcons, the size and color of this bird leave no doubt as to its identity.
Gyrfalcon Photos and Videos for, All About Birds, Cornell Lab of ...
1997年2月7日 · The largest falcon in the world, the ghostly Gyrfalcon is a fierce predator in the High Arctic, where it chases down ptarmigans in flight or plummets from the sky at breathtaking speeds to strike prey to the ground.