I have a female, Three-Toed box turtle. Not sure how old, had her for about 17 years (about a 6 inch long shell).
She has always been a uniform dull brown color for shell and skin. However, just recently, overnight, the top of her "beak" has turned a dark brown color. It isn't dirt of any sort.
I have never seen this before.
Does anyone know if this is a problem or not?
Thanks,
Bernie


