Experts hope study can help with reintroducing captive otters into wild to aid conservation efforts
Otters are able to learn from each other – but still prefer to solve some puzzles on their own, scientists have found.
Researchers gave otters “puzzle boxes”, some of which contained familiar food, while others held unfamiliar natural prey – shore crab and blue mussels, which are protected by hard outer shells. The unfamiliar food presented additional problems because the otters did not know if the crab and mussels were safe to eat and had no experience of getting them out of their shells.
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