aerie: A nest built on a cliff or other high place.
beak: A bird's bill that is hooked.
bill: The hard part of a bird's jaws.
birds of prey: Birds that hunt animals for food.
breeding ground: A place to give birth.
camouflage coloring: Coloring that hides an animal.
claws: An animal's feet with sharp, hooked nails.
darts: Moves suddenly and quickly.
digest: To change food so that an animal's body can use it.
down: Soft feathers.
energy: The power to do things.
extinct: Died out.
fledge: To grow feathers for flying.
flight: Movement with wings in air.
flocks: Groups of animals that stay together, especially birds.
habitat: An animal's home.
incubate: To sit on eggs to make them warm enough to hatch.
migrate: To move from one region to another, especially at a particular time of year.
muffle: To stop or soften a sound.
pellet: A small ball of food that can't be digested and is spit up.
perch: The place where a bird sits.
pierce: To go into or through.
prey: Animals that other animals eat.
talons: claws