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July 26 2014

Bats use polarized light to navigate: First mammal known to use polarization to navigate


Scientists have discovered that greater mouse-eared bats use polarisation patterns in the sky to navigate -- the first mammal that's known to do this.

The bats use the way the Sun's light is scattered in the atmosphere at sunset to calibrate their internal magnetic compass, which helps them to fly in the right direction, a study published in Nature Communications has shown.

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