Common Raven, Corvus Corax Christopher Ciccone Nature Photography
Common Raven - Wikipedia The common raven (Corvus corax), also known as the northern raven, is a large all-black passerine bird. Found across the Northern Hemisphere, it is the most widely distributed of all corvids.There are at least eight subspecies with little variation in appearance, although recent research has demonstrated significant genetic differences among populations from various regions. Corvus - Wikipedia Corvus is a widely distributed genus of medium-sized to large birds in the family Corvidae.The genus includes species commonly known as crows, ravens, rooks and jackdaws; 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, crows generally being smaller than ravens.
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