Introduction: How this book works -- What is a mammal -- Evolution of mammals -- Diversity -- Mammal anatomy -- Mammal reproduction -- Social groups Senses and communication -- Locomotion -- Feeding -- Desert mammals -- Grassland mammals -- Forest mammals -- Polar and mountain mammals -- Aquatic mammals -- Watching mammals -- Threatened mammals -- Conservation -- Mammals and humans -- Classification -- Catalog: Egg-laying mammals -- Marsupials -- Insectivores -- Bats -- Elephant-shrews.

Flying lemurs -- Tree shrews -- Primates -- Prosimians -- Monkeys -- Apes -- Sloths, anteaters -- Armadillos -- Pangolins -- Rabbits, hares, and pikas -- Rodents -- Cetaceans -- Toothed whales and dolphins -- Baleen whales -- Carnivores -- Dogs and foxes -- Bears -- Raccoons -- Musetlids -- Viverrids -- Hyenas and aardwolf -- Cats -- Seals and sea lions -- Elephants -- Hyraxes -- Aardvark -- Sirenians -- Odd-toed ungulates -- Horses -- Rhinoceroses -- Tapirs -- Even-toed ungulates -- Wild pigs -- Hippopotamuses -- Camels and relatives -- Deer - Pronghorn -- Giraffe and okapi -- Cattle, antelope, and relatives.