They do not take to housebreaking, but aren't too difficult to clean up after. You can correct them when they do something wrong but, like cats, they couldn't care less. Squirrels are not cage animals. We were fortunate enough to have a large area that was protected. Dr. Mom would have killed before she'd have given up that little critter.
Squirrels hate winter.
She leaped up, shook herself, looked at us like we had lost our minds, and dove back into her bed. Squirrels are clean. They spend a lot of time grooming, especially their tails. On one occasion as Dr. Mom was making breakfast with Friday on her shoulder, Friday decided to jump on top of the fridge. At that moment Dr. Mom turned and Friday dove head-first into a pitcher of orange juice.