The 20-pound nutria, native to South America, has somehow managed to establish a population in the Suisun Marsh.

Its open mouth would reveal two hideously orange buck teeth ... Known by a deceivingly healthy-sounding name —nutria — its eating and burrowing ways can literally destroy natural wetland ...

More than 500 nutria, a large aquatic South American rodent ... Its open mouth would reveal two hideously orange buck teeth. Every day it can eat five pounds of vegetation and destroys 20 pounds ...

The nutria rodent has become a migrating problem in the Central Valley, including sensitive wetlands in Solano County. That could be a significant threat to local agriculture. A large, fast ...

A Soviet zoologist with a passion for long-extinct mammals set out to reinvigorate the landscape of the Caucasus in the 20th ...

The nutria — a large water-loving rodent from South America — has spread through the estuary in recent years amid concerns that it could, among other things, damage levees with its burrows.