species turtle help

My neighbors moved out and left a tortoise to die, so I took it in and I can’t seem to figure out what kind of tortoise it is? I also don’t know what sex it is. We think it is a male? I’ve attached pictures. I’ve made him a basic enclosure but he doesn’t seem to be too happy, so I think I’ve got...

Thinking this is a desert tortoise? I live in Tucson, Arizona. Was given this tortoise as someone found it and it appeared to have been domestic (purple markings on the shell). After a significant amount of time of not finding the owners I have taken over. Can we confirm it's a desert tortoise...

My brother found turtle eggs on his jobs construction site. He brought them home since they already excavated their home. The owner of the property said he used to breed box turtles, but we want to make sure so we can take care of them properly. Any additional information would be great. Like...