Amethyst woodstar
The amethyst woodstar (Calliphlox amethystina) is a species of hummingbird.Tiny, short-billed hummingbird of forests, forest edges, and savanna woodlands. Both sexes are green on the back with a white band across the rump. The  males have a pink throat and a forked tail. Females have a white throat, a short tail, and cinnamon flanks and undertail.