Giant Rodent Found; Big as a Bull

Giant Rodent Found; Biggest Ever Discovered (Pictures)
    1 of 3   Next >>
Digg!

January 16, 2008An illustration (top) and sculpture flesh out the fossilized skull of the largest rodent ever found. (Read full story.)

The South American "rat" lived two to four million years ago and weighed about 2,200 pounds (1,000 kilograms), based on an analysis of its 21-inch-long (53-centimeter-long) skull, a new study says.

The rodent may have used its bulk and fearsome teeth to fend off attacks from saber-toothed cats and giant meat-eating birds, the researchers added.

Though found in a cliff in Uruguay, the animal lived in lowland rain forests close to river deltas or estuaries, where it feasted on fruit and aquatic plants, said the study, published in the journal Procedings of the Royal Society: B.

 More Photos in the News
 Today's Top 15 Most Popular Stories
 Free Email Newsletter: "Focus on Photography"
—Image courtesy Royal Society/reconstruction (drawing and sculpture) by Gustavo Lecuona
 
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




 

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.