Birds’ feet are greatly variable in size and shape, depending on where the birds live and how they find food. Most have only three or four toes, while the ostrich has just two. Birds that rarely land, such as swifts, have small legs, making it hard for them to walk, but they are able to climb into cavities for nesting. Saw-whet owl foot Saw-whet owl Insulating feathers Talons Talons Sparrowhawk All-purpose feet Crows are perching birds. Their feet have hooked claws and a large hind toe. Hooked claws Hind toe Crow foot Thrush feet For perching Perching birds have a single hind toe. This toe enables the birds to tightly grasp the branches on which they perch. Wagtail feet Different uses Birds of prey spread their toes to catch prey, while the crow keeps its toes closer together. Green woodpecker foot Claws for climbing Woodpeckers’ feet, used for gripping trees, have two toes pointing forwards and two pointing backwards. Greater spotted woodpecker foot Feathered talons The feathers that cover the legs and feet of most owls help to silence their approach as they swoop down on prey. Grip The eagle’s grip allows it to carry heavy prey below its body. Front toes Rear toes Outspread owl foot Narrow crow foot Birds of prey These birds have long talons and are so highly adapted to grasping prey that they have difficulty in walking.