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The Right Coast
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For deep-diving elephant seals, it takes lots of work to stay fat | Reuters

By Thomas A. Smith

The seals were found to spend upwards of 20 hours every day – and sometimes a full 24 hours – in continuous deep-diving to feed on multitudes of small fish, rather than the larger prey favored by other deep-diving marine mammals, to gain the body fat essential for successful reproduction and insulation in the frigid depths. They fed 1,000 to 2,000 times daily.

“It is not easy to get fat,” said marine biologist Taiki Adachi of the University of St Andrews in Scotland, who led the study published this week in the journal Science Advances.

via www.reuters.com