Birds Can “See” Earth’s Magnetic Field

Publication: National Geographic News   Date: September 27, 2007   View Article

To find north, humans look to a compass. But birds may just need to open their eyes, a new study says.

Scientists already suspected birds’ eyes contain molecules that are thought to sense Earth’s magnetic field. In a new study, German researchers found that these molecules are linked to an area of the brain known to process visual information.

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