California's Central Valley Battling Destructive, Invasive Nutria
Nutria are an invasive species that destroys wetlands. (U.S. Department of Agriculture National Invasive Species Information Center) At a Glance The giant rodents dig under levees and other infrastructure and chow down on vegetation crucial to native habitats.They reappeared in California in the 1970s.As of March, the state had killed more than 400 nutria. California's Central Valley is battling an invasion of destructive, burrowing nutria that threaten the region's waterways and wetlands. A giant rodent with an oversized head, humped...