Bog Turtle (Clemmys muhlenbergii)
Muhlenberg's Turtle
Description 3-4 1/2" (7.6-11.4 cm). A small brown turtle with conspicuous yellow, orange, or reddish blotch on each side of head. Carapace light brown to mahogany (a light-brown or orange sunburst pattern may be present on large scutes), weakly keeled, and rough or smooth depending on age. Plastron brownish-black with varying amounts of yellow along midline; hingeless, with 12 scutes. Male has concave plastron and thick tail, with anal opening beyond margin of carapace.
Click for the article