Date:
November 5, 2014
Source:
University of California - Santa Cruz
Summary:
Researchers using a new type of tracking device on female elephant seals have discovered that adding body fat helps the seals dive more efficiently by changing their buoyancy. The study looked at the swimming efficiency of elephant seals during their feeding dives and how that changed in the course of months-long migrations at sea as the seals put on more fat.
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