Crows are adept learners, able to use tools and think outside the box. Notably, they have already been trained to use specialized ‘vending machines’ in which they receive food for depositing a coin. By extension, butts could be the new coin of the urban crow realm.
Maybe smokers would be more likely to quit if lighting up carried the risk of being assaulted by flocks of crazed, nicotine addicted crows in desperate need of their next food pellet.
(HT David Vogeleer)