4 ms·... steals the best sandwiches from children's hands, while declaring "mine, mine, mine, mine"...by WaitWaitWha 5y ago... steals the best sandwiches from children's hands, while declaring "mine, mine, mine, mine"...ectopod 5y agoAnimals exhibiting this behaviour are known as kleptoparasites.swader999 5y agoSometimes they eat the plastic lunch bag and die.