Fitted With Sensors, Antarctic Seals Track Water Temperatures

On a rocky island just off the coast of West Antarctica, ecologist Lars Boehme is standing face-to-face with a 1,500-pound elephant seal, eyeing the animal’s bulbous nose and jowls to see if he’s finished shedding his fur. When the seal opens his mouth wide to bellow, Boehme waves his hand in front of his face …

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