Male Shining-green Hummingbirds are mostly green, with a slightly downcurved bill and a moderately forked tail. Females have a white chin and belly. The species uses habitats from dry forest to gallery forest; birds may gather at large flowering trees.
The male is mostly green, with a slightly downcurved bill and a moderately forked tail. Throat, lower-belly, and rump colours vary among subspecies. The female has a white chin and belly and a less strongly forked tail.
It occurs in lower-elevation dry to semidry forest, gallery forest, semi-open areas, and scrub. It is most often seen alone, though birds may gather at large flowering trees, where aggression is frequent.
An extinction-risk assessment has not been added yet.