Discover what a grizzly bear has in common with a jaguar. Find out what sets a grizzly bear apart from an armadillo. Readers will compare and contrast key traits of grizzlies—their appearance, behavior, habitat, and life cycle—to traits of other mammals. Charts and sidebars support key ideas and provide details. 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.