Nobody knows exactly when, but nutria rodents began inhabiting ... to trap the nutrias after they were designated as an "invasive alien species" causing harm to the ecosystem.

Rep. Josh Harder (D-Tracy) and Rep. David Valadao (R-Hanford) introduced bipartisan legislation Thursday to respond to the exploding infestation of nutria, giant swamp rats that cause massive damage ...

There are several invasive species that still pose a threat in the United States today. One of them is the nutria. Nutria are large, semi-aquatic rodents that are native to South America.

Nutria, affectionately dubbed ‘little beavers’ in Italy, are native South American rodents that now proliferate across the country because they have no natural predators there. In Europe, the African ...