Whale-Worn Camera Sees Precision in Feeding Frenzy

Publication: National Geographic News   Date: January 16, 2004   View Article

When the normally placid waters of Alaska’s Chatham Straight begin to bubble in a violent boil, marine biologist Fred Sharpe slips up to the cauldron’s edge for a front row seat. He knows a coordinated feeding frenzy of epic proportions has just begun.

The bubbles are blown by a humpback whale (Megaptera novaeangliae) circling about 45 feet (14 meters) below the ocean surface as several of the whale’s mates scream and wave their pectoral flippers in an effort to ensnare herring (Clupea pallasi) in the net of bubbles.

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