Errr...He has a roaming sense, not a stay home sense. I said it's because he's not domestic. But that's not it. Most domestic animals would roam or wander off if given the chance. And some non-domestic animals wouldn't. Had a raccoon when I was a kid. The older she got, the smarter she got. You couldn't keep her out of anything. Dad said enough was enough inside the house, and put her outside. He assumed she would just run off and like the woods better. But, she had other plans. She dug under the house, pushed up an a/c vent grate and got back in. Came down a stove pipe once. Through a window screen once. And...chewed through the wall once. Mom and dad would wake up with her curled up on their bed. Dad finally just gave up and installed a small doggie door. She would then come and go as she pleased, and pretty much stopped raiding the fridge.