Howling at the moon is a common behavior among wolves and other wild animals. It is believed to be a way of communicating with other members of their pack, as well as a way of expressing their emotions. The term 'howls at the moon' is often used to describe someone who is acting in an unrestrained or wild manner. In this crossword, the solution for the term 'howls at the moon' is 'BAYS', which is another word for howling.