A number of different wetland types exist on the refuge. They range from ponds to permanently flooded marshes to seasonally flooded marshes. These habitats support a small black-crowned night-heron rookery, and waterfowl such as American black ducks, mallards, and American green-winged teal. Mammals including muskrat, reptiles such as spotted turtles, waterbirds including Virginia rails, and passerines including song sparrows and red-winged blackbirds use these Refuge wetlands as well. Other species that may use these habitats on the refuge are northern pintail, blue-winged teal, northern shoveler, glossy ibis, and least bittern.