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Any of various chiefly nocturnal, insectivorous birds of the family Caprimulgidae, especially those in the genus Caprimulgus. Also called goatsucker.
(Animals) any nocturnal bird of the family Caprimulgidae, esp Caprimulgus europaeus (European nightjar): order Caprimulgiformes. They have a cryptic plumage and large eyes and feed on insects
[C17: night + jar2, so called from its discordant cry]
1. any of numerous nocturnal goatsuckers of the subfamily Caprimulginae, having a short bill and a wide mouth used for scooping up insects in midflight.
2. the common Eurasian nightjar Caprimulgus europaeus, known for its distinctive chirring song.
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|Noun||1.||nightjar - mainly crepuscular or nocturnal nonpasserine birds with mottled greyish-brown plumage and large eyes; feed on insects|
caprimulgiform bird - long-winged nonpasserine birds
Caprimulgus carolinensis, chuck-will's-widow - large whippoorwill-like bird of the southern United States