Crows trained to pick up cigarette butts in Sweden

The birds are being recruited to pick up discarded butts from the streets of a city in Sweden as part of a cost-cutting drive. Subscribe to Guardian News on YouTube ► The wild birds receive a little food for every butt they deposit in a machine designed by a startup in Södertälje. The startup’s founder says the crows’ health is also being studied, and that the project could lead to savings of 75% of cleaning costs. The Guardian publishes independent journalism, made possible by supporters. Contribute to The Guardian today ► Website ► Facebook ► Twitter ► Instagram ► https://instagram/guardian