Chompin’ Invasives

Maryland’s Chesapeake Bay is under assault by an animal that shouldn’t even be there. Nutria are eating away at the wetlands there. The beaver-like animals were brought to the U.S. from South America decades ago to bolster the fur trade. But their population exploded and now government researchers are trying to come up with a plan to eradicate the rodent. Living on Earth’s Cynthia Graber reports.