Nutria are back in California Nutria, an introduced rodent once thought eliminated from California, is the latest of a string of dangerous invasive species wreaking havoc in California’s critically-important Sacramento-San Joaquin Delta. The nutria, like many other destructive non-native species (large-mouth and striped bass, Asian clam, Chinese Mitten crab, Quagga mussels and Nerodia water snakes, […]