A look at the social and emotional lives, as well as communication methods, of meerkats.

What do gorillas do when they are happy? These majestic creatures look tough beating their chests, but when they feel safe, they are gentle and playful. This title supports NGSS standards for Biological Evolution: Unity and Diversity.

In this title, readers will learn about the fascinating social lives of lions. They will learn that lions live in groups, look out for each other, and care for each other's young. This title supports NGSS standards for Biological Evolution: Unity and Diversity.

Elephants are very social creatures. Readers learn about the behaviors that they exhibit to express their emotions to other elephants. This title supports NGSS standards for Biological Evolution: Unity and Diversity.

Did you know that a pig's survival often depends on its social nature? Readers learn how pigs interact, express themselves, and much more in this title. This title supports NGSS standards for Biological Evolution: Unity and Diversity.

Brings together long-term studies of cooperation in vertebrates that challenge our understanding of the evolution of social behavior.

How do dolphins communicate with each other? Readers will answer this question and others about the social and emotional lives of dolphins. This title supports NGSS standards for Biological Evolution: Unity and Diversity.