Evolutionarily Unrelated Animals Use Geomagnetic Navigation

A female baby sea turtle hatches out of its egg in the sand on a Florida beach. It races for the ocean to catch the waves and swim out to the open sea. After years at sea traveling thousands of miles across the open ocean, the turtle, now a pregnant mother, finds its way back to the exact same beach where it was born. This amazing feat is described in a new paper in Current Biology by Roger Brothers and Ken Lohman at the University of North Carolina:

Ever since John James Audubon tied silver...