For instance, an eagle's eyesight is 8 times better than a human's eyesight. Birds of prey have their eyes on the front of their head so they can see depth, so they can see how far away animals are. Their prey, such as squirrels and mice, have their eyes on the side of their head so they can watch for predators, because they don't need to see how far away things are. Owl's eyes have feathers around them that are arranged in a way to help them see at night. There are four types of feathers, contour feathers, down feathers, tail feathers, and wing feathers.
Contour feathers coat the whole body.
Down feathers form a layer underneath and create insulation. Tail feathers are stiff and often symmetrical, wing feathers are stiff and often NOT symmetrical. Feathers are made of keratin . Birds of prey have feet that are very important for everything they do. Most birds of prey have three toes in front on their feet , and one toe in the back.