Nutria, also known as coypu, is a large semi-aquatic rodent native to South America. They have webbed feet, a long, cylindrical body, and a distinctive orange front tooth. Nutria typically inhabit wetlands, marshes, and riverbanks, where they feed on aquatic plants and grasses. These animals are known for their rapid reproduction, which can lead to overpopulation in some areas. Nutria can cause significant damage to ecosystems by uprooting vegetation and eroding riverbanks. They have been introduced to various regions, including parts of the United States, where they are often considered an invasive species.