sweden crows cigarettes Wild collect cigarette butts in for food rewards Crows trained to pick up

Crows trained to pick up cigarette butts in Sweden Anneka Wild crows are helping clean up cigarette litter in Sweden A Swedish startup called Corvid Cleaning, based in Sdertlje near Stockholm, has launched a pilot project that uses wild corvidsmainly Swedish startup's device trades food for litter, reduces cigarette butts This Swedish Company is Training Crows to Pick Cigarette Butts From Streets Buzz News News18 Crows trained to clean up cigarette butts on Swedish streets National

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