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

I didn't even have to search for a nutria: One simply materialized before my eyes. This particular specimen was too large to call a rat. It was not in a pack, and the way it swam freely left no ...

It is also referred to as a coypu, coypu rat, nutria rat, or swamp beaver. While nutria may look cuddly from a distance, they usually weigh in at around 11-22 pounds (and are often more than 20 ...

Nutria – or coypu – can spread tapeworm and tuberculosis while burrowing through flood defenses (Picture: Gerard Soury/The Image Bank RF/Getty Images) Disease ridden rat-like creatures with ...

A nutria only reaches 10-20 pounds on average ... The main physical difference between these two is that nutrias have ...

Within this range, the department has more than 400 cameras that are constantly searching for nutria. This is not some Hollywood killer rat, but a rodent that likes to be left alone. Chappell saw ...

Nutria — which resemble a cross between a beaver and an over-sized rat — can grow to be two feet long, with an additional 1 ½-feet of tail, and weigh up to 20 pounds. They have brown fur ...

Imagine a rat-looking creature weighing about 20 pounds ... Known by a deceivingly healthy-sounding name —nutria — its eating and burrowing ways can literally destroy natural wetland systems ...