Photo: New, "Chubbier" River Dolphin Species Found in Bolivia

Email to a Friend << Back to Full Story


Bolivian river dolphins (above, in an undated photo) evolved separately from their relatives the Amazon river dolphins when an ancient drought split the two populations into two river systems, conservationists said in August 2008.

But the two species may meet once again if a Brazilian dam raises river levels—possibly spelling disaster for both species, experts say.

Photograph courtesy Fernando Trujillo, Fundación Omacha

MOST VIEWED NEWS

PICTURES: 2012 Doomsday Myths Debunked

2012: Six End-of-the-World Myths Debunked

APOCALYPSE PICTURES: 10 Failed Doomsday Prophecies
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

Today's National Geographic Photo of the Day

• Today's Photo

• Download as Wallpaper

50 Drives of a Lifetime

National Geographic Traveler has scoured the globe for the world's most beautiful, interesting, and off-beat road trips. Dive in to get drive directions, quizzes, photos, and more.