Common Raven
Here's a bird I see moderately often, hear more often than that, but of which rarely get an identifiable picture, a Common Raven . This is partly because they don't photograph particularly well; in some light I don't end up with much more than a silhouette. And it's partly because the differences between our ravens and our crows ( American or Fish ) are fairly subtle. Social media has a lot of pictures of crows where the photographer was hoping to have gotten a raven picture. (Sometimes these lead to heated crow-versus-raven debates, similar to those of other look-alike birds .) The overall size, relative beak size, and a hairier beak are the best clues in telling ravens from crows. If they were side-by-side, size alone would distinguish the 2 pretty easily, but usually crows perceive ravens as threats and will try and drive them away. When I've seen them together the crows are either driving a raven away in an aerial battle or they're scolding the raven vocif...