Briefly describes the characteristics shared by all mammals and highlights how various species are different, discussing habitats, methods of moving around, feeding habits, and life cycles.
Introduces such notable mammals as the elephant, sloth, koala, and porcupine, explains what makes them unique, and describes the important characteristics of the entire group.
Provides descriptions of physical characteristics and habits of some of the most at-risk mammals in the world, with explanations of why they are endangered and how they can be protected.
Describes how the concerted efforts of an international team of concerned people eased the suffering of three gray whales trapped by ice off the coast of Alaska and eventually helped two of them back to the open sea.