A Question of Migration
10,000 Birds
MAY 19, 2011
Some of the first solid research pointing to a magnetic sense of some sort in birds was being produced at that time, and there were even people testing humans for a similar ability. It turns out that humans without compasses make no use of magnetic fields.) 2 PIERSMA, T., PÉREZ-TRIS, J., MOURITSEN, H., 1343.026 3 Alerstam, Thomas.
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