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

rat-like tail thinly covered in bristly hairs; and noticeable white whiskers that protrude from either side of their nose.

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

Josh Harder brought a stuffed nutria to Congress in a push for funding ... and Wildlife in trying to eradicate the 25-pound swamp rats. He pointed out that trappers attempted to introduce ...

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 ...

Often mistaken for a beaver or a muskrat, nutria are sometimes referred to as swamp rats. The rodents can weigh up to 25 pounds and are about 2 feet long excluding the tail. One defining feature ...

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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 ...

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 ...