Source AP ©

Tiny video cameras help researchers discover that crows use variety of tools to seek food - Comments

Tiny video cameras on tail feathers of crows helped researchers discover that the birds use a variety of tools to seek food, and even make their own tools, plucking, smoothing and bending twigs and grass stems.

Show more

Dear readers! Please observe community rules and respect each other. We do not practice censorship. However, all offensive comments will be deleted, and their posters will be blocked.