Real Dictionary

bird of prey
countable noun: A bird of prey is a bird such as an eagle or a hawk that kills and eats other birds and animals.
noun: a bird, such as a hawk, eagle, or owl, that hunts and kills other animals, esp vertebrates, for food. It has strong talons and a sharp hooked bill

bird of prey in British English
a bird that preys on others for food
any of an order (Falconiformes) of diurnal birds with sharp claws and hooked bills that capture, kill, and eat other animals or feed chiefly on carrion, such as hawks, falcons, vultures, and the osprey
noun: any of numerous predacious, flesh-eating birds, as the eagles, hawks, kites, vultures, falcons, and owls, having a sharp, downwardly curved beak, talons, and, usually, soaring flight