What’s the significance of the howl to a wolf? “They use it to mark territory. So, they howl together as a pack… They also will howl at intruders to get them to leave,” says Peggy Callahan, who runs the Wildlife Science Center in Minnesota. https://cbsn.ws/3XBwkeu | 60 Minutes

Why do wolves howl? The howl of the wolf is one of nature's most evocative and powerful sounds. The haunting chorus of wolves howling is beautiful – or frightening, depending on one’s point of view. Wolves howl to communicate with one another. They locate members of their own pack by howling, and they often engage in a group howl before setting off to hunt. The howl is a clear warning to neighboring wolves to stay away. The howl of the wolf is one of nature's most evocative and powerful sounds.