In this excerpt from NOVA's "Ocean Animal Rescue," join biologist Daniel Costa and his team in the field as they study the surprising behavior of northern elephant seals.
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"Ocean Animal Rescue" is a NOVA Production produced by Hamilton Land & Cattle, Inc. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, Lockheed Martin Corporation and PBS viewers.
To learn more, visit http://www.pbs.org/wgbh/nova/nature/ocean-animal-emergency.html<img src="//feeds.feedburner.com/~r/pbs/wgbh/nova-video/~4/nXHryPpyJG0" height="1" width="1" alt="" />