Seven subspecies of this turtle are currently recognized. Box turtles in Alabama occur in a bewildering array of shapes and color patterns. Most box turtle populations in Alabama are intergradient combinations involving 2 or 3 subspecies including: T. c. carolina, T. c. major, and T. c. triunquis (the Three-toed box turtle) with characteristics of the former predominating.
Information Source: Mount, Robert H., The Reptiles and Amphibians of Alabama, 1975. 1996 Reprint Edition. p. 296. University of Alabama Press, Tuscaloosa, AL 35486