Adding fat found to offer sea mammal foraging benefits

(Phys.org) —A team of researchers with members from Japan and the U.S. has found that at least for one marine mammal, adding blubber provides a foraging advantage. As the team writes in their paper published in Proceedings of the Royal Society B: Biological Sciences, it appears that female northern elephant seals gain an advantage in foraging from extra blubber because of the extra buoyancy it provides.

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