|Photo by Marty Horowitz 1/15/2016|
Common Ravens are uncommonly smart. They're well known for unzipping packs and making off with just the food they want from your lunch. Bob told the story of one who not only unzipped his pack, but unzipped the zip-lock on his sandwich. S/he left a hungry Bob holding the (empty) bag.
Don't call them crows. (American Crows are an entirely different species.) Read more at the links.
And spend some time with another smart bird at Ned Harris's flickr site.