crows collecting cigarettes In Sweden, Are Learning to Pick and Dispose of Cigarette Butts Properly Corvid Cleaning developed a machine

Corvid Cleaning developed a machine that encourages wild crows to collect litter. The birds drop cigarette butts into the slot and get food in return. No cages, no forced training the Fighting litter with crows : r gifs When Birds Help Clean The City In Sweden, researchers and innovators have experimented with training wild crows to collect discarded cigarette butts in exchange for food rewards. using simple learning mechanisms, the Crows in Sweden help clean streets by collecting cigarette butts for food

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