Description: Northern Map Turtles are one of a group of three map turtles that are similar in appearance. Northern Map Turtles lack the prominent eyebrow and chin spots. The shell of the Northern Map Turtle is oval with serrations on the posterior end of the carapace. The carapace is olive green with yellow lines. The plastron is a plain light yellow. The skin is green with yellow lines and rings. The Map turtles have a strong sexual dimorphism. Females are larger than the males. Females range from 7 to 11 inches long while males range from 3 to 6 inches. (MN DNR, 2022)