In Colorado’s mountains, really big black birds are either American crows or common ravens, both of which can be found year-round throughout the state and both of which are often mistaken for the ...

Common ravens, Corvus corax, were formerly known as northern ravens. They are magnificent birds: large, glossy, black, intelligent and playful, that are not to be confused with their cousins, American ...

Crows and ravens are hard to tell apart, but basically, the common raven is bigger than the American and Northwestern crow. So, you might think that ravens would win in a fight. But that doesn’t seem ...