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

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 ...

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 ...

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

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 ...

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 ...

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