Latest Attraction at French Theme Park: Crows That Pick Up Trash

'Oh, to be a crow.

Maligned as scavengers that torment their dead brethren. Portrayed as aerial killers in the 1963 Alfred Hitchcock classic, “The Birds.”

In France, though, the wily crow is getting a makeover. Puy du Fou, a historical theme park in the Loire region about four hours from Paris, has trained six crows to pick up cigarette butts and bits of trash and dump them in a box.

Mon Dieu! Are the pigeons of Paris next?'

https://www.nytimes.com/2018/08/17/science/Crows-trash-puy-du-fou.html?