It is slightly larger than the common raccoon and has a distinctive angular skull. Much like the common raccoon, the ringtail is nocturnal and solitary. Other species include northern short-tailed shrews, one eastern cottontail, eastern chipmunk, and common raccoon. The eastern cottontail, the prairie vole, the common raccoon, and the white-tailed deer are present. Another species found on the island is the common raccoon ("Procyon lotor").