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Wednesday, July 9, 2008 |
Wednesday, July 9, 2008 |
Photo: Southern Whale Migration Overlapping Northern Whale Breeding GroundsNew research shows that the whales, known for making the longest mammalian migration, are mostly driven to travel in search of warmer waters. As temperature patterns shift, whales from the south are migrating farther north, crossing into the breeding grounds of northern humpback populations. Photograph by Flip Nicklin/NGS
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