Ravens are larger–much larger (almost half as big with a wingspan of up to 5 feet!!!). Ravens are bulkier and have heavier beaks. They also have shaggy feathering around their thick necks. In flight, the wedge-shaped tail and huge, broad wings are also obvious.
Most people do not know that there are over 120 species of corvid family of birds—including many jays, choughs and treepies—not just crows, ravens and magpies. Well, I was not certain where to begin with this fascinating family of birds so I decided to start with telling you the biggest and the smallest amongst them.
The largest corvids are the Common Raven (Corvus corax) and the Thick-billed Raven (Corvus crassirostris), both of which regularly exceed 1400 grams (3 lbs) and 65 cm (26 inches). ((http://en.wikipedia.org/wiki/Corvidae))
I will do thorough posts about these specific birds in the next couple of days. For now I will share a picture of each.