Small hummingbird with straight bill, green nape and back with a coppery rump and dark tail. Males usually look very dark in the field but in the right light shows a violet-blue head,an often indistinct whitish chin, and are green below. The bill is red with a black tip. Females have green heads, speckled throats, and an off-white belly. Found in the interior and edge of humid forest, forest edges, and second growth.