JOHN BEATTY / SCIENCE PHOTO LIBRARY JOHN BEATTY / SCIENCE PHOTO LIBRARY
Northern elephant seals. Male and female northern elephant seals (Mirounga angustirostris) on a beach. The male seal is much larger than the female, and possesses an inflatable proboscis on his head. During the breeding season males fight for territories on a beach, which give them access to females. Dominant males may possess harems numbering up to 40 females by the end of the season. Northern elephant seals are found in the North-East Pacific Ocean. They feed on fish and squid, often diving very deep in order to find their prey. Photographed in Big Sur, California, USA.
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