Large, bulky hummingbird with slightly arched black bill. Favors forest edge and open areas with scattered tall trees. Often perches and feeds high in canopy, but also feeds low on occasions and will visit feeders. Male (some females similar) solidly dark, deep green overall with black throat, purplish tail. Female and immature have broad dark stripe down center of throat and breast, white tail corners. Immature also has rusty mottling along sides of throat and breast.