Crows trained to pick up cigarette butts, garbage at French park

Crows trained to pick up cigarette butts, garbage at French park  USA TODAY French theme park deploys birds to collect litter  BBC News French theme park trains crows to pick up trash  New York Post 'Intelligent' crows to work as rubbish collectors at French theme park  The Local FranceFull coverage

https://ift.tt/2vAj9zo