Photo: Animals Use "Chemical Compasses," Study Says



A whooping crane practices flying before starting its migration in the Aransas National Wildlife Refuge in Texas in a file photo.

A theory that migratory animals have a "chemical compass" in their eyes that allows them to "see" Earth's magnetic field has been shown to work in the laboratory, a new study says.

Photograph by Bates Littlehales/NGS


NEWS FEEDS    After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed. After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed.

Get our news delivered directly to your desktop—free.
How to Use XML or RSS

ADVERTISEMENT

NATIONAL GEOGRAPHIC'S PHOTO OF THE DAY

50 Drives of a Lifetime

Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. No wires or syncing. Download Stitcher free today.