Other Names: none
Distribution: southwestern desert areas, south to western Mexico.
Size: 7-9 cm in length.
Plumage: Males have a mainly green back and flanks, a small black tail and wings, and patches of white below their throat and tail. Their most distinguishing feature is its iridescent purple cap and throat with the throat feathers flaring out and back behind its head. Females are not as colorful as males, having grayish-green coloration above with a white underside. The eyes and beak are black.