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Scientists learn how otters stay hotter

Canadian sea otters swim on June 5, 2012 in the zoo of Amneville, eastern France

Sea otters are a hardy lot.

Scientists already knew the sea otters burn a lot of energy -- approximately three times greater than predicted for mammals of their size, and to keep up with the demand, they may consume up to 25 percent of their body mass in a day.

Original URL: https://www.news.com.au/breaking-news/scientists-learn-how-otters-stay-hotter/news-story/afc798e508b1b60ec2b45a0f3ad0b25a