Learn what a Siberian tiger has in common with an elk. Discover what sets a Siberian tiger apart from a Tasmanian devil. Readers will compare and contrast key traits of Siberian tigers—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.