Title: Grandes migraciones
Description: Introduces sperm whales, including their different body parts, how they travel in groups, what they eat, and how they care for their young.

Introduce cachalotes, incluyendo sus diferentes partes del cuerpo, la forma en que viajan en grupos, lo que comen, y cómo cuidan a sus crías.
Subjects: Sperm whale, Literature juvenil, Migration, Whales, Spanish language materials, Juvenile literature, Ballenas