Sweden recruits crows to clean up billions of cigarette butts from its streets

Who cleans up after the crows? Would it not be better to develop a robot to do this job? Is this the butt of a joke?

Sometimes, you have to wonder about the ancestors of the Vikings! 😄

"... All the birds involved in this project are not being held in captivity, so they’re free to abandon the project at any time. For all intents and purposes, the crows are volunteering for this role. ...
A similar project was tested in 2017, in the Netherlands, and in 2018, at the Puy du Fou theme park in ​​Western France. ..."

Sweden recruits crows to clean up cigarette butts from its streets