These, like the moose, are sometimes seen feeding on aquatic plants. There is also a beaver lodge near the lakeshore. Beavers are often seen hauling branches across the lake. These branches will become the winter food cache for the lodge. Throughout Quartz Lake State Recreation Area, wildlife abound.
Visitors often see such animals as squirrels, ruffed grouse, ducks, and moose.
Other mammals which are seen in the area are fox, coyotes, wolves, lynx, lesser weasels, martin, and bears. Other birds seen include eagles, owls, hawks, ravens, gulls, chickadees, sparrows, warblers, thrushes, ducks, and geese. It is very important that visitors respect these animals. Be cautious when encountering any wildlife, especially moose and bears. Visitors should keep their distance from all animals.