Wolf's Wail is a term used to describe the sound made by wolves when they HOWL. It is a long, drawn-out sound that can be heard for miles and is often used to communicate with other wolves in the pack. Wolves HOWL for a variety of reasons, including to mark their territory, to call out to other members of their pack, or to express joy or sadness. Wolf's Wail is an iconic sound of the wild and has been featured in many films and books.