The area bordering the Ohio River is a unique habitat making it the optimal home for a great variety of animals. This includes frogs, toads, and turtles which live throughout the refuge. An array of dragonflies, damselflies, and butterflies stands out among many insects during the warmer months. Over 25 different species of mammals live on the refuge land, ranging from the white-tailed deer, raccoons, muskrats, and mink to the cottontail rabbit and red fox. In the depths and shallows of the Ohio River, well over 100 different species of fish exist. Some of the most common species are the spotted bass, sauger, freshwater drum, channel and flathead catfish.