Give a pig a mirror and it'll find its dinner

时间:2019-03-08 09:20:01166网络整理admin

PIGS can’t fly but they do have other talents. In fact, they perform rather well on a task used to test the mental faculties of chimps, dolphins and parrots. Donald Broom at the University of Cambridge placed food where it was only visible in a mirror, while a fan wafted its scent away from the pigs. Seven of eight pigs tested took less than a minute to learn how to use the mirror to find the food (Animal Behaviour, DOI: 10.1016/j.anbehav.2009.07.027). This shows how aware they are of their surroundings,