Male has a red belly, a white band across the chest, and a shimmering green breast. From above, male has a green back, a black face with a red eyering, gray wings, coppery tail, and yellow bill. Female duller with white patch below eye and red restricted to undertail coverts; belly pale grayish-white. Both sexes rather plump with long squared-off tail. Often sits with protruding rump. Found in mountains and canyons with sycamore trees. Inconspicuous, sitting still for long periods of time while hunting for insects. Song is a series of descending barks.