In a classroom that spans the world's oceans, from Alaska's herring-rich coastline to Antarctica's feeding grounds, humpback calves learn their family's traditions. Cooperative hunting strategies, the longest migrations of any known mammal and communicating through complex songs to find a mate are all lessons absorbed by the younger generation.

Originally released by National Geographic, 2021. Streaming video file encoded with permission for digital streaming by Infobase on January 05, 2023.