Species (Cathartes aura) of long-winged, long-tailed vulture (family Cathartidae), about 30 in. (75 cm) long, with dark plumage, whitish beak and legs, bare red head covered with whitish bumps, and a 6-ft (1.8-m) wingspread. It uses its keen sense of smell to find carrion. It occurs throughout the Americas except in northern Canada; the northerly and southernmost populations are migratory.
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