slothrop@lemmy.ca to Mildly Interesting@lemmy.worldEnglish · 8 days agoCrows are intelligent birds and learn quickly – even from each other. In Sweden, they are used to collect cigarette butts and bring them to a machine that automatically rewards them with peanuts.lemmy.caimagemessage-square108linkfedilinkarrow-up11arrow-down10file-text
arrow-up11arrow-down1imageCrows are intelligent birds and learn quickly – even from each other. In Sweden, they are used to collect cigarette butts and bring them to a machine that automatically rewards them with peanuts.lemmy.caslothrop@lemmy.ca to Mildly Interesting@lemmy.worldEnglish · 8 days agomessage-square108linkfedilinkfile-text
minus-squareWhyIHateTheInternet@lemmy.worldlinkfedilinkarrow-up0·8 days agoThere’s also the concern of the tobacco. Butts aren’t just filters, there’s plenty of sweet addictive nicotine left usually.
There’s also the concern of the tobacco. Butts aren’t just filters, there’s plenty of sweet addictive nicotine left usually.