Main Page | See live article | Alphabetical index Apodiformes Scientific classification Kingdom: Animalia Phylum: Chordata Class: Aves Order: Apodiformes Families  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. This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.