Discover the Animal World

Find out what a gray wolf has in common with a red fox or an African lion. Discover what sets a gray wolf apart from a manatee or a giant panda.

Compare and Contrast

Readers will compare and contrast key traits of gray wolves—their appearance, behavior, habitat, and life cycle—to traits of other mammals.

Supporting Details

Charts and sidebars support key ideas and provide details.

Making Connections

Through gathering information about similarities and differences, readers will make connections and draw conclusions about what makes this animal a mammal and how mammals are alike and different from each other.