Invasive Pest Resurfaces in Sierra Foothills: Nutria in Four Foothill Counties

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By Alex Wierbinski - Posted on 15 February 2018


Small Mammal News
Invasive Pest Resurfaces in Sierra Foothills

Nutria in Four Foothill Counties

Nutria, an invasive pest thought to be eradicated, spotted in Tuolumne County,
Union Democrat, February 14, 2018.

"A long-whiskered, buck-toothed rodent called a nutria has come back to Tuolumne County for the first time in nearly 50 years..."

"The state declared nutria eradicated in 1978."

"According to Fish and Wildlife spokesperson Peter Tira, the first recent nutria was found in a trap just outside Gustine in Merced County in March 2017."

"Since then, more than 20 nutria, including males, pregnant females and juveniles, have been documented..."

"Now in four counties."

"Scientists say nutria are native to South America and they’ve been introduced to Africa, Asia, Europe and North America, primarily by fur ranchers who raise them for their pelts. Its genus name, myocaster, derives from Greek words meaning beaver rat."



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