Provides information about the migration of North Pacific humpback whales, including why and when they migrate, how far they migrate, and where they migrate.

Explains what causes humpback whales to migrate. Beautiful photos, fact-filled text, and helpful infographics help readers learn all about the science behind th

Humpback whales can hold their breath up to 45 minutes as they torpedo through ocean waters! These mighty mammals migrate from their summer arctic waters to the

Read Along or Enhanced eBook: In this latest book by acclaimed science writer April Pulley Sayre, young readers follow along as a mother humpback whale and her