Researcher and scientist Fred Harrington wondered about wolf howls. He did some hands-on research and some howling himself and noticed that wolves howl when they are at meeting sites, when they are teaching their pups, at hunting sites, and to protect their territories.

Originally released by Highlights for Children, 2014. Streaming audio file encoded with permission for digital streaming by Infobase on July 15, 2016.

Something to Howl About: Highlights (3:40); .