[https://youtu.be/jcp_FWfYtLY] (YouTube link)Last year, we posted about a plan to train crows to pick up litter, specifically, cigarette butts. Here's a way that can happen. The Crowbox is a vending machine for crows. It...https://www.neatorama.com/2018/08/24/Crowbox-Build-Your-Own-Crow-Vending-Machine/
Crowbox: Build Your Own Crow Vending Machine...
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