No fish stocking is done because excellent natural reproduction is able to maintain the fishery. These animals include various mammals, birds, reptiles, and amphibians. Mammals White-tailed deer are common. Deer can be seen along the flowage shoreline during the early morning hours. In some years, deer use a northern white cedar forest just northwest of the flowage as a winter deer yard.
Black bears are common in the region.
The average density is about one black bear for every square mile. Bears are shy, nocturnal animals that do best in remote areas. Their tracks can often be seen on the sand roads surrounding the flowage. Coyotes, red fox, bobcat, fisher, raccoon, striped skunk, mink, various weasels, ground squirrels, chipmunks, tree squirrels, porcupine, snowshoe hare, woodland mice, voles, shrews, and bats are found in the forests and wetlands surrounding the flowage. Some of these animals are quite common and some are rare.