recognise
Chimpanzees recognise photos of friends they haven’t seen for decades
Chimpanzees in zoos were shown photos of old group members to test their memory Johns Hopkins University Bonobos and chimpanzees seem to recognise photos of former group members – even animals they haven’t seen for over 20 years. This means that these apes have the longest social memory ever recorded in any animal besides humans….
Jumping spiders seem to recognise each other if they’ve met before
Regal jumping spiders in a courtship display before mating FLPA/Alamy Jumping spiders seem to be able to tell each other apart, putting them among just a few other invertebrates that are thought to have this skill. Recognising individuals within your species is important for social animals, such as primates, but just a handful of invertebrates…