eBird checklistS29861716:Corvus corax
eBird checklistS29861724:Corvus corax
eBird checklistS29861721:Corvus corax
eBird checklistS29877447:Corvus corax
eBird checklistS29861723:Corvus corax
eBird checklistS29877450:Corvus corax
with great blue heron track
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. It is one of the two largest corvids, alongside the thick-billed raven, and is possibly the heaviest passerine bird; at maturity,...