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| Apodiformes | ||||||||
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| Scientific classification | ||||||||
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| Families | ||||||||
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Apodidae Hemiprocnidae |
Traditionally the bird order Apodiformes contained three families: the swifts, Apodidae, the tree swifts Hemiprocnidae, and the hummingbirds Trochilidae.
In the Sibley-Ahlquist taxonomy, hummingbirds are separated from the Apodiformes as a new order Trochiliformes.
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