The Black-chinned Hummingbird is a small hummingbird. Adults are metallic green above and white below with green flanks. The adult male has a black face and chin, a glossy purple throat band and a dark forked tail. The female has a dark rounded tail with white tips and no throat patch.
Fun Fact As of 2011, it has the smallest known genome of all living amniotes (terrestrial egg laying vertebrate).