A Theme Park In France Trained Birds To Clean Up Trash In Exchange For Food

The Puy du Fou theme park in western France put some new employees in the field: six trained rooks, members of the crow family, picking up small pieces of paper and cigarette butts in exchange for food. Corvids, the family of birds that includes crows and ravens, are incredibly intelligent creatures. They have been known use tools, solve complex puzzles and plan for the future. Via: NPR

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