Noticed this about a week ago and chalked it up to an upcoming shed. Well, there's no shed and it's still there...
Humidity stays between 50 & 60%. Hot side high 80s and cool side low 80s. Has a large 7 inch water dish refilled daily. Substrate is Repti-Bark.
1.2 Normal
1.1 Red-tail
0.1 Albino corn