With the premise 'Chased him all the way up to the upstairs, I don't think the bird ever even pooped in the house not that we found--', is 'The bird was always calm and very housebroken.' a logical derivative?
Chased him all the way up to the upstairs, I don't think the bird ever even pooped in the house not that we found--###The bird was always calm and very housebroken.