Photo: Sea Otter Recovery Threatened by Pollution, Researchers Say



A group of sea otters rest on the water's surface near Prince William Sound, Alaska.

Scientists working to increase the marine mammals' population say that parasites and toxic chemicals running off the U.S. West Coast may be killing hundreds of southern sea otters each year in the prime of their lives.

Photograph by Karen Kasmauski/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.