Chimpanzees recognise photos of friends they haven’t seen for decades – Canada Boosts
Chimpanzees in zoos have been proven pictures of outdated group members to check their reminiscence Johns Hopkins College Bonobos and chimpanzees appear to recognise pictures of former group members – even animals they haven’t seen for over 20 years. Because of this these apes have the longest social reminiscence ever recorded in any animal in…