Bird World Site

Black Vulture

Gyrfalcons are birds of the arctic regions, one phase being nearly white, with markings’ similar to those of the snowy owl, from which it may be distinguished by its feature hawk shape. Individual variation is so great that there is no clear way of separating the species in the field. They nest on ledges of rocky cliffs near the seacoast. The four creamy eggs, heavily pronounced with reddish-brown, ar set early in June. They are brooded almost entirely by the female. They breed probably to tree limit in arctic North America, and the white phase in Greenland and arctic Read the rest of this entry »