I have a 2 1/2 year old Aldabra that has a 80'x80' outside pen with eatable grass. I do not have a outside enclosure yet so I carry him inside in the evening with food waiting for him. My problem is when I put him outside in the mornings he heads to a corner and will stay there all day unless I move him. He seems healthy but I think something is going on because I would think he would graze but hardly ever see him grazing. I live in Texas and the temperature is running about 96 but he has plenty of shade. what could be his problem for being so lethargic. Thanks for any advice.