The Gyrfalcon (Falco rusticolus) is a large bird of prey, and a raptor.
The Gyrfalcon has varied colours, from white to dark-brown. The white Gyrfalcon has flecks of charcoal-grey feathers. Its beak is yellowish and hooked. It has dark eyes. It has feathers on its legs, called boots. Its feet are yellowish with sharp claws.
The Booted Eagle (Hieraaetus pennatus) is a medium-sized bird of prey, a raptor, and an accipiter.
The Booted Eagle is mainly light grey with a darker head and flight feathers. Its feathers are flecked with black. It has feathers on its legs right down to its feet, which are called boots. It has a strong, downward curved black beak with a dark cere. Its eyes are dark. Its tail is dark above and white underneath (on its vent). It has brown feet with strong, sharp talons (claws).
The Lappet-Faced Vulture (Torgos torgos tracheliotus) is a massive African vulture. It is also called the Nubian Vulture. It is a raptor and accipiter (like hawks, eagles, kites, and buzzards).
The Lappet-Faced Vulture is black-brown with white streaked underparts. Its head and its back of head are bare, with no feathers, and are bright pink and wrinkled. The wrinkles are called fleshy lappets. It has a large ivory or brown beak, with a grey cere. It has dark-brown eyes. Its legs and feet are blue-grey with white thigh feathers called boots.
What are bird boots?
Raptors, such as eagles, hawks, vultures, owls, and falcons have boots.
Boots are the heavily feathered thighs of raptors. Thighs are the top parts of the legs.