Study: Dolphins Have Longest Memory of Any Non-Human Animal

In a new study being published online in this week’s Proceedings of the Royal Society B, dolphins join elephants and certain monkeys as having some of the longest social memories found in non-human mammals. […] Heidi Harley, a dolphin researcher with the New College of Florida, told the Post that it is difficult to truly distinguish whether the dolphins studied were reacting to old friends or simply interested in particular sounds.