Bock, Walter J. Department of Biological Sciences, Columbia University, New York, New York.
Last reviewed:October 2019
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An order of crepuscular (active during predawn or twilight hours) or mainly nocturnal birds collectively known as the nightjars or goatsuckers. Members of the order Caprimulgiformes are apparently most closely related to the owls (Strigiformes). They are found worldwide, mainly in the tropics and warm temperate regions. Species that breed in the Arctic and cooler temperate regions are migratory. See also: Aves; Migratory behavior; Strigiformes
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