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Related to crested swift: Apodiformes, Trochilidae
crested swift:see swiftswift,
common name for small, swallowlike birds related to the hummingbird and found all over the world, chiefly in the tropics. They range in size from 6 to 12 in. (15–30 cm) in length. Swifts have long wings and small feet and can perch only on vertical surfaces.
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