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Otters juggle stones when hungry, research shows

Source: exeter.ac.uk

Researchers from the University of Exeter have carried out an extensive study into why captive otters tend to play with stones, commonly referred to as “rock juggling”.

The dextrous mammals are often seen lying on their backs and batting the stones into the air, catching them and rolling them around their chests and necks.

Experts had suggested the behaviour might help the animals practise the foraging skills they need to extract foods from complex prey such as mussels and clams. MORE

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