Traditionally the bird order Apodiformes contained three families: the swifts, Apodidae, the tree swiftsHemiprocnidae, and the hummingbirdsTrochilidae.
In the Sibley-Ahlquist taxonomy, hummingbirds are separated from the Apodiformes as a new order Trochiliformes.
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... Abdullah Muhammad Ibn Battuta, (1304?-1377?), Moroccan Muslim, visited Mecca several times, travelled to Central Asia, East Africa, China, Tombouctou and other ...