The Black Swift (Cypseloides niger) breeds from South Alaska to Costa Rica and lives in winter from Mexico to some parts of South America. This animal is found in mountains cliffs, usually near or behind waterfalls. This small bird is 18 cm (7 inches) in height and 35 g in weight.
Adults are black, above glossed with bluish, below paler and grayer. Whitish scaling on forehead, bill and feet black. It lives in groups, and eats hymenopterans (winged ants, bees, and wasps), flies and beetles.