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Monday, November 23, 2009

Photo: Killer Whales Target Favorite Fish With Sonar?


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An orca family glides through waters off the Alaskan coast.

Research announced in November 2008 suggests that some orcas, or killer whales, can use their natural sonar to find their favorite fish from a distance. The mammals home in on chinook salmon based on the fish's unique echo patterns.

Photograph by Flip Nicklin/NGS