Violet-bellied Hummingbird is a tiny, brilliant hummingbird of eastern Panama and northwestern South America. This hummingbird resembles a small woodnymph (Thalurania). The male is largely iridescent green, with a contrasting bright violet breast and belly, while the female has pale gray underparts. It occurs in forest and forest edge in both humid and semi-dry regions. It feeds on the nectar of various flowering shrubs and trees as well as on aerial insects. The nest of Violet-bellied Hummingbird is made of plant down, placed on a branch.