The common raven or northern raven is a large all-black passerine bird. It is the most widely distributed of all corvids, found across the Northern Hemisphere. There are 11 accepted subspecies with li
Corvus corax clarionensis, Point Reyes National Seashore
In sunlight, the plumage can display a blue or purple sheen which is a result of iridescence.
Comparison between an American crow (left) and a common raven (right)
Leucistic. This individual is locally well known in Anchorage (Alaska).
The thick-billed raven is a large passerine bird in the family Corvidae. It is endemic to the Horn of Africa, including parts of Ethiopia, Eritrea, Sudan, and Somalia. The thick-billed raven shares wi
Common raven
…research has demonstrated significant genetic differences among populations from various regions. It is one of the two largest corvids, alongside the thick-billed raven, and is the heaviest passerine bird; at maturity, the common raven averages 63 centimetres (25 inches) in length and 1.47 kilograms (3.2 pounds) in…
Flickr don macauley Corvus crassirostris Cropped
Thick-billed raven courtship, Simien Mountains, Ethiopia
Thick-billed raven courtship, Simien Mountains, Ethiopia