This discovery led to the subsequent emergence of the ports of Torunos and Nutrias. Las Nutrias, the site of the contemporary community, was founded nearby c.1862. During the winter period, they will kill many nutrias and waterfowl. The town of Ciudad de Nutrias is the municipal seat of the Sosa Municipality. They included, in Belgrade rarely seen, otters, nutrias, weasels and European pine martens. In addition to giant turtles, there are coots and other waterfowl, nutrias and swamp cats. In New Mexico there are at least two other Rio Nutrias rivers.