Other communities consist of mixed and natural prairie. Bison are historically associated with this Section, and black-footed ferrets are former inhabitants. White-tailed deer and a smaller population of mule deer are current herbivores. Small herbivores include the jackrabbit and prairie dog. Bobcat, red fox, and swift fox are present.
Prairie potholes are important habitat for many species of migrating waterfowl.
Horned lark, bobwhite, and greater prairie chicken are year-round residents. Summer residents include burrowing owl and belted kingfisher in riparian zones. Dark-eyed junco and pine siskin are winter residents. Typical herpetofauna include the Great Plains toad, snapping turtle, painted turtle, and prairie rattlesnake. Black crappie and catfish are common fish species.