Antarctic seals may use the Earth's magnetic field to survive while hunting

Antarctica's Weddell seals have biological adaptations that allow them to dive deep—as much as hundreds of meters—while hunting, but also an uncanny ability to find the breathing holes they need in the surface of the ice that covers the sea. Now, a team of researchers supported by the U.S. Antarctic Program, which is managed by the National Science Foundation, believe they have figured out that the seals navigate so well by sensing the Earth’s magnetic fields.

Provided by the National Science Foundation

Runtime: 3:28

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