TX Spiny Lizard
I almost stepped on it and grabbed it while it was running up a tree. It was surprisingly calm and don't try to bite me or anything. It was in a pile of leaves with another individual before I came trudging through. This one is a male.
The Texas spiny lizard (Sceloporus olivaceus) is a species of phrynosomatid lizard native to the south central United States, in the states of Texas and Oklahoma, and northeastern Mexico in the states of Coahuila, Nuevo León, Tamaulipas, and San Luis Potosí. They are quite common throughout their range, where they can be found in trees or on fences.