A raven is any of several larger-bodied bird species of the genus Corvus. These species do not form a single taxonomic group within the genus. There is no consistent distinction between "crows" and "ravens", and these appellations have been assigned to different species chiefly on the basis of their size.
The largest raven species are the common raven and the thick-billed raven.
== Etymology ==
The term "raven" originally referred to the common raven (Corvus corax), the type species of the genus Corvus, which has a larger distribution than any other species of Corvus, ranging over much of...