When was the last time you noticed and questioned surroundings? I usually find myself so concentrated on the planning, routine and things to do that I don't notice what is around me. Even when I see, I accept it as it is and do not question it. I thought of small exercise - to write at least one question per day. Some of them might not make sense..It is ok, as long as the answer is not known.
First - does the house sparrow ever walk or jump only?