Raven
bird
Raven, any of approximately 10 species of heavy-billed dark birds, larger than crows. Closely related, both ravens and crows are species of the genus Corvus. The raven has a heavier bill and shaggier plumage than the crow, especially around the throat. The raven’s lustrous feathers also have a blue or purplish iridescence. The common raven (C. corax) is the largest of the perching birds: it reaches a length of up to 66 cm (26 inches)...