Southern River Otter (Lontrhttps://upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Southern_River_Otter.jpg/440px-Southern_River_Otter.jpga provocax)

The Southern River Otter inhabits the rivers, lakes, and coastal marine habitats in Chile and Argentina. They have an elongated body reaching up to 3.8 feet and 22 pounds. 

Their diet is varied, from fish to crustaceans and mollusks. However, they also prey on small birds and mammals when the opportunity arises.