A team of researchers in the UK created a series of puzzles baited with food, and found smooth-coated otters (Lutrogale perspicillata) watched and copied each other’s problem-solving techniques, with young animals more likely to copy than their parents. Surprisingly, another species called the Asian short-clawed otter (Aonyx cinerea) showed no sign of copying each other. Ladds et al found evidence for social learning in smooth-coated otters (Lutrogale...
