Synaptomys Cooperi is a species of rodent also known as the copper bog lemming. Common synonyms for this species include the American red-backed vole, the Orinoco lemming, the copper bog lemming, and the Cooper's lemming. The copper bog lemming is primarily found in wetlands and bog habitats throughout North America. It is a small, herbivorous mammal with a reddish-brown back and a yellow-brown belly. The copper bog lemming is an important prey species for many predators, including snakes, owls, and foxes. Despite its small size, this species plays a crucial role in the ecosystem and the food chain.