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Falconidae
The falcons and caracaras are around 60 species of diurnal birds of prey that make up the family Falconidae. The family is divided into two subfamiles, Polyborinae, which includes the caracaras and forest falcons, and Falconinae, the falcons, kestrels and falconets. They differ from the eagles of Accipitridae, in that falcons kill with their beaks instead of their taloned feet. They have a "tooth" on the side of their beak for the purpose.
==Description==
Falcons and caracaras are small to medium-sized birds of prey, ranging in size from the black-thighed falconet, which can weight as little as , to the gyrfalcon, which can weigh as much as . They have strongly hooked bills, sharply curved talons and excellent eyesight. The plumage is usually composed of browns, whites, chestnut, black and grey, often with barring of patterning. There is little difference in the plumage of males and females, although a few species have some sexual dimorphism in boldness of plumage.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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