Violet-bellied Hummingbird (Damophila julie) 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.

References:

Schulenberg, Thomas S.. 2014. Violet-bellied Hummingbird (Damophila julie), Neotropical Birds Online (T. S. Schulenberg, Editor). Ithaca: Cornell Lab of Ornithology; retrieved from Neotropical Birds Online: http://neotropical.birds.cornell.edu/portal/species/overview?p_p_spp=248091