Natures wonders: Seal navigation (Introduction)

by David Turell @, Tuesday, December 23, 2014, 02:58 (3622 days ago) @ David Turell

They may use magnetic gps:-http://www.livescience.com/49221-researchers-investigate-to-see-if-seals-have-magnetic-gps.html?cmpid=558762-"While hunting, Weddell seals have biological adaptations that allow them to dive deep, as much as of hundreds of meters, but also an uncanny ability to find the breathing holes they need on the surface of the ice. Now, researchers supported by the U.S. National Science Foundation (NSF) believe they have figured out they do it: by using the Earth's magnetic field as a natural GPS. -"This animal, we think, may be highly evolved with an ability to navigate using magnetic sense in order to find ice holes some distance apart and get back to them safely," explained Randall Davis of the Department of Marine Biology at Texas A&M University."


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