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Lost Chain of Underwater Volcanoes Is a Massive Whale Superhighway

Researchers have discovered a huge chain of ancient, underwater volcanoes about 250 miles (400 kilometers) east of Tasmania. This sonar map shows some of the massive seamounts, beginning about 3 miles (5,000 meters) below the ocean's surface.  The research vessel crew spotted nearly 30 humpback whales near their boat in one day. It's possible that the massive, volcanic mountains nearby serve as underwater "signposts" that help the whales find their way to and from their breeding grounds.  Read more...



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