Generally, the rounder body is the female Western Painted Turtle, and the longer body is the male Western Painted Turtle. The flat bottom is the female Western Painted Turtle, and the concave one is the male Western Painted Turtle. The short tail is the female Western Painted Turtle, and the long tail is the male Western Painted Turtle. The pattern on the abdomen of the male western painted turtle is sparse, while the pattern on the abdomen of the female western painted turtle is dense.

In addition, there is a relatively simple way, as long as the western painted turtle Turn over and touch the width of the plastron with your fingers, and you can quickly distinguish between males and females. Males turn black as they mature, while females remain tan.