Raptors are meat-eating birds, also called birds of prey, that have keen eyesight, 8 sharp talons, and a hooked beak. There are more than 450 kinds of raptors. About 300, like falcons, are active during the day (diurnal) and over 150, such as owls, hunt at night (nocturnal). Most raptors live in tall trees and other high places. Some birds have learned to live with humans and have their nests on tall buildings in big cities.
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