National Geographic News, Reporting Your World Daily

Saturday, November 21, 2009

Photo: "New" Killer Whale Types at Risk From Antarctic Warming


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Researcher Russ Andrews prepares to attach a satellite tag to the dorsal fin of a fish-eating killer whale in McMurdo Sound, Antarctica. Andrews is part of a National Oceanic and Atmospheric Administration research team studying the whales and their movement patterns. The study indicates that whales rely on sea ice that is vulnerable to global warming.

Photograph by Robert Pitman