What nursery rhyme is about a wedded pair have varied appetites?
Jack Sprat. "Jack Sprat could eat no fat, his wife could eat no lean..."
The wise old owl in the famous nursery rhyme 'A Wise Old Owl' lives in an oak tree. Though its origins are vague, it is commonly accepted that the nursery rhyme played on the common symbolic value of the owl as wisdom. Originally, it was told to teach children the virtue of being quiet, or seen and not heard.