If to recognize that the dog – the descendant of wolves and kept those skills which are possessed by her wild fellows her quite sufficient will be the simple shelter from wind and precipitation. It, of course, concerns those "working" breeds which are intended to bear security service. But if winters in your corner of the world rather severe, you as the careful owner, you can warm the doghouse for the loyal friend.
To turn a street cat into house, it is necessary to show huge patience. The main difficulties which it is possible to face in such cases is an ill health of a cat, her fearfulness or, on the contrary, excessive impudence, the wrong socialization, inadequate behavior, etc.