They’re big, furry and could destroy the Delta. California has a $2 million plan to kill them
California’s San Joaquin River Delta is in danger of being overrun by voracious beagle-sized rodents. The state has a plan to deal with them, but it’s going to take a lot of time and money. Nutria can give birth to litters up to 12, and become pregnant again within 48 hours of doing so. They live in marshland and feed heavily on vegetation. Where they appear, ecological calamity follows.