Communication and Behavior
Very intelligent
Learn solutions to problems that are faced
Most ravens occur in pairs or are solitary
Common Ravens walk or fly
They also do what is called gliding and soaring
They do this more than American Crows
Have an array of displays and vocal sounds for different situations
15 to 33 vocal calls have been described
This calls include alarm, comfort, and chase
Non Vocal sounds include wing whistles and bill snapping
Source (1)
Source: (2) sound