- Communicate with their pack: Wolves howl to let other members of their pack know where they are, or to keep in touch when they are separated.
- Protect their territory: Wolves howl to warn other wolves that they are trespassing on their territory.
- Attract mates: Wolves howl to attract potential mates.
- Find prey: Wolves howl to communicate with each other about the location of prey.
- Express emotion: Wolves howl to express a variety of emotions, such as excitement, frustration, or loneliness.