San Fran Now Overrun with Invasive 20 Pound Rodent Infestation

[argentus]

There's one difference between rats and nutrias, nutrias are herbivorous, not omnivorous.

Regarding the "200 offspring each year", I doubt it very much, as Wikipedia states the gestation period is 130 days and they have, at most, 13 offspring, which would give 39 offspring in little more than one year.

Man, you always come through with that measurable data which I crave.   Thank you ArMap ​​​​​​​