*** Birds use quantum theory to literally 'see' Earth's magnetic field as they fly ***

Birds may be able to ‘see’ the Earth’s electromagnetic field as they fly through the sky, scientists have suggested.

Many creatures, including all birds, navigate by sensing the direction of the magnetic forces around our planet to guide them.

But now researchers have found that different reactions are produced in the eyes of all avian creatures depending on which way the field spins.

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