How Birds See North and South (IMAGE)

University of Illinois at Urbana-Champaign, News Bureau

How Birds See North and South

Caption

Changes in the electromagnetic field, such as those experienced by a bird changing direction in flight, appear to alter a biochemical compass in the eye, allowing the bird to see how its direction corresponds to north or south.

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Photo: Creative Commons / Mila Zinkova

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Please credit: Creative Commons / Mila Zinkova

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