crows collecting cigarettes Clean Up City Streets by Cigarette Butts When Birds Help Clean The

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 Swedish Company Trains Crows to Clean Up Cigarette Butts EcoWatch Swedens Corvid Cleaning tested an ingenious vending machine that trained wild crows to clean up streets! , When crows dropped discarded cigarette butts into the device, it scanned the litter and Swedish firm deploys crows to pick up cigarette butts Birds The Guardian 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

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