Researchers explain how birds navigate

It has long been known that birds and many other animals including turtles, salamanders and lobsters, use the Earth’s magnetic field to navigate, but the nature of their global positioning systems (GPS) has not been completely understood.

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<p><a href="http://www.physorg.com/news128778632.html">Researchers explain how birds navigate</a></p> <p>It has long been known that birds and many other animals including turtles, salamanders and lobsters, use the Earth’s magnetic field to navigate, but the nature of their global positioning systems (GPS) has not been completely understood.</p>