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Why do sea otters sometimes hold each otherās forefeet while resting?
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otter
A sea otter (Enhydra lutris) eating a crab.
Sea otters often hold one anotherās forefeet while resting to form large groups known as "rafts" or "pods," which can include as many as 1,000 individuals. This behavior serves a practical purpose: by tethering themselves together, the otters prevent members of the group from drifting away while they sleep in the water.123