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.
All Wikipedia text
is available under the
terms of the GNU Free Documentation License
Search Encyclopedia
Search over one million articles, find something about almost anything!
... be restricted by the copyright holder. The context is most commonly digital (ie, as in a computer or computerized device), hence the 'digital' in DRM. In contrast to ...