Thanks for all of the feedback. I will go with Speedy being a Box Turtle, and he / she should do just fine in my backyard. Thank for the advice everyone.
This cute little fella (I call him Speedy) showed up in my yard about 2 months ago. I think it is a Texas Tortoise. My yard is in Lantana, Texas, which is between Dallas and Fort Worth. It has been over 100 degrees pretty much every day since I first saw him, so that is probably fine for him. I...