A theme park in France has recruited birds to pick up trash and cigarette butts

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• The Puy du Fou historical theme park in France trained six crows to pick up and dispose of trash lying on the ground.
• Each time a crow drops off a piece of trash, a dispenser issues a food reward.
• The crows will work four days a week under close supervision — so humans don't deliberately drop trash to watch the birds clean it up.
• The park hopes the experiment will educate people — if birds can do this simple task with a bit of training, humans should be able to do it on their own. 

If you've been paying attention, you know that corvids (crows, rooks and ravens) are remarkably intelligent birds. Now these feathered geniuses have been given a job: six rooks have been trained to pick up rubbish in the Puy du Fou historical theme park in western France.

Whenever Boubou, Bamboo, Bill, Black, Bricole and Baco deposit a cigarette butt or other small piece of trash in a special receptacle, it dispenses a treat — rewarding the rooks for their efforts.See the rest of the story at Business Insider

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