Frequents a wide variety of habitats, including mountain environments; partial to cliff faces, where it prefers to nest. Often seen flying overhead.

Black overall; note comparatively larger size and thick, massive bill. Utters a variety of low, guttural, croaks. In flight, wedge-shaped tail and tendency to soar distinguish it from American Crow.

Large twig nest is built on rock ledge of cliff face or in trees; sometimes on man-made structures such as utility poles. Diversified omnivorous diet is supplemented by scavenging.