Rieffer Hummingbird
438. Amizilis tzacatl. 4 inches.
Found only on the southern borders like above. Upper parts a dark bluish green, tail and rump light brown.
Buff-Bellied Hummingbird
439. Amisilis cerviniventris chalconota. 4 inches.
These birds are very similar to the last, but the under parts are of a pale brownish buff color, throat, back and tail coverts metallic green. Breeds in low bushes near the ground.