Here are some tips on how to differentiate the common raven (Corvus corax) and the American crow ... It’s not the only vocalization by these brainy birds. Crows emit what’s called a rattle ...

The elegant and intelligent birds in the Corvus genus have finally ... with both boasting shiny black feathers, ravens (Corvus corax) are generally much larger with shaggier feathers that are ...

Though similar in appearance to the American crow, the common raven (Corvus corax) is distinguished by its large size ... it’s far from the only one. These intelligent birds can make 33 different ...