The eastern whip-poor-will (Antrostomus vociferus; also called "whip-o-will", "whip o' will", etc.) is a medium-sized (22–27 cm or 8.7–10.6 in) bird within the nightjar family, Caprimulgidae, from North America.

whippoorwill, (Caprimulgus vociferus), nocturnal bird of North America belonging to the family Caprimulgidae (see caprimulgiform) and closely resembling the related common nightjar of Europe. It is named for its vigorous deliberate call (first and third syllables accented), which it may repeat 400 times without stopping.

Its flight is very low, light, swift, noiseless, and protracted, as the bird moves over the places which it inhabits, in pursuit of the moths, beetles and other insects, of which its food is composed.

Eastern Whip-poor-wills are medium-sized birds with a large, rounded head and a stout chest that tapers to a long tail and wings, giving them a distinctly front-heavy look. Smaller than a Chuck-will’s-widow; about the size of a Common Nighthawk.

Caprimulgus vociferus is primarily found in North America, reaching from central and southeast Canada to parts of southern Mexico. Caprimulgus vociferus is not found in the western United States except for small, disjunct populations found in Arizona, Texas, and New Mexico.

Caprimulgus vociferus. Identification Numbers. TSN: 177961. Geography. Launch Interactive Map. Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people. Footer Menu - Employment. Careers & …

The eastern whip-poor-will (Antrostomus vociferus) is a medium-sized (22–27 cm) nightjar from North America. The whip-poor-will is commonly heard within its range, but less often seen because of its camouflage.

2023年7月12日 · The Whip-poor-will or whippoorwill (Caprimulgus vociferus) is a medium-sized nightjar that occurs from Canada south to Central America. It has been named for their calls that sound like “Whip poor Will.”

The Eastern Whip-poor-will, (Antrostomus vociferus), is a medium-sized (22–27 cm) nightjar bird from North and Central America. The whip-poor-will is commonly heard within its range, but less often seen because of its superior camouflage.

2018年8月19日 · The Whip-poor-will or whippoorwill, Caprimulgus vociferus, is a medium-sized (22-27 cm) nightjar, a type of nocturnal bird. The Whip-poor-will is commonly heard within its range, but less often seen. It is named after its call. Adults have mottled plumage: the upperparts are grey, black and brown; the lower parts are grey and black.