Birdie Magnetic Sense and Human Generated Electromagnetic Fields
10,000 Birds
MAY 20, 2014
Also, consider the possibility that modern birds descended from an animal that migrated by foot, or a form that flew only a little now and then but was mostly terrestrial/arboreal and not aerial. There is a lot of electromagnetic noise created by humans, and there has been concern that this energy is harmful. So, there you go.
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