The female hummingbird cares for the young until they are ready for the first flight around three weeks old. Discover amazing ...

their uppertail coverts and tail base have more rufous (adult female rufous can be all-green); and their chip calls are slightly lower pitched. Also see female and immature calliope hummingbird.

The male Allen’s hummingbird has warm rusty-orange flanks, breast band, face, neck, and tail, as well as a green back and ...

The male ruby-throated hummingbird does indeed have a striking red throat, though the female of the species does not. You would have to look quickly to see either, however, as these speedy little ...

But last March, co-authors Michael Castaño at the Smithsonian Tropical Research Institute and Sebastian Gallan-Giraldo at the University of Antioquia in Colombia discovered a female jacobin ...