whales whales

North Atlantic right whales are at risk of extinction because they often become ensnared in ropes used to guide lobster traps along the Northeastern U.S. and Canadian coastline. David L. Ryan/Boston Globe via Getty Images hide caption

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David L. Ryan/Boston Globe via Getty Images

Humpback whales are among the animals that could be affected by seismic surveys for oil and gas. Barcroft Media/Barcroft Media via Getty Images hide caption

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Barcroft Media/Barcroft Media via Getty Images

Seismic Surveys Planned Off U.S. Coast Pose Risk To Marine Life

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Leandro Teixeira and Richard Dubielzig of the University of Wisconsin - Madison open the whale eye package. Richard Dubielzig and Leandro Teixeira/University of Wisconsin-Madison hide caption

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Richard Dubielzig and Leandro Teixeira/University of Wisconsin-Madison

All I Want For Christmas Is A Giant Whale Eye

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Researchers found that when narwhals like these were released from a net, the animals' heart rates dropped even as they were swimming rapidly. Flip Nicklin/ Minden Pictures/Getty Images hide caption

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Flip Nicklin/ Minden Pictures/Getty Images

Stressed-Out Narwhals Don't Know Whether To Freeze Or Flee, Scientists Find

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A blue whale, the largest animal on the planet, engulfs krill off the coast of California. Silverback Films/BBC/Proceedings of the Royal Society B hide caption

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Silverback Films/BBC/Proceedings of the Royal Society B

How The Biggest Animal On Earth Got So Big

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A mother and calf humpback whale swim in the Exmouth Gulf in Western Australia. Fredrik Christiansen/Functional Ecology hide caption

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Fredrik Christiansen/Functional Ecology

Recordings Reveal That Baby Humpback Whales 'Whisper' To Their Mothers

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In a photograph taken Saturday, volunteers prop up a pilot whale at Farewell Spit in New Zealand. Overnight, more than 200 of the stranded whales returned to the sea. Marty Melville/AFP/Getty Images hide caption

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Marty Melville/AFP/Getty Images

A humpback whale breaches Aug. 6 close to a whale-watching boat off the coast of Long Beach, Calif. Most humpbacks off the Western U.S. remain endangered, but 9 of 13 populations worldwide are considered stable enough to remove the designation, it was announced Sept. 6. Nick Ut/AP hide caption

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Nick Ut/AP

African forest elephants stampede in the Central African Republic jungle. Courtesy of Cornell Lab or Ornithology hide caption

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Courtesy of Cornell Lab or Ornithology

To Decode Elephant Conversation, You Must Feel The Jungle Rumble

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Humpback whales and tanker in Stellwagen Bank National Marine Sanctuary in Massachusetts Bay. Green Fire Productions/Flickr hide caption

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Green Fire Productions/Flickr

Listening To Whale Migration Reveals A Sea Of Noise Pollution, Too

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