Mammals live all around the world—in the bitter cold Arctic, in hot, humid jungles, and even in the ocean! Readers will explore the fun facts about mammal adaptations in this informative and fun book. They'll learn about things all mammals share, such as being warm blooded and having hair or fur. Readers will also learn fascinating details about mammal species such as the only two mammal species that lay eggs. They'll come away knowing what makes mammals so diverse—their adaptations.