The raven is a bird of the crow family. It is the only species in the genus Corvus. It is a large, black bird with a large head and a long, slender bill. It is native to the Northern Hemisphere. It is a common bird in the northern parts of Europe, Asia, and North America. It is a migratory bird, moving from its breeding grounds in the Arctic to its wintering grounds in the southern hemisphere. It is a scavenger, feeding on carrion, garbage, and roadkill. It is a social bird, living in flocks. It is a territorial bird, defending its territory against other ravens.