Includes index.

Foreword -- Animals in danger -- Animal kingdom -- What is an animal? -- Animal behavior -- An animal's life cycle -- World habitats -- Animals in danger.

Mammals -- What is a mammal? -- Marsupials -- Flying mammals -- Insect eaters -- Bats -- Listening bats -- Primates -- New world, old world -- The unique gelada -- Apes -- Prosimian primates -- Rodents -- A world of rodents -- Beaver engineers -- Whales and dolphins -- A world of whales -- Mother and calf -- Dolphin communication -- Dogs -- Born for the cold! -- Bears -- Saving giant pandas -- Cats -- Lion teamwork -- A world of cats -- Playing to survive -- Weasels and their relatives -- At home with sea otters -- Civets and relatives -- Seals and sea lions -- I am the walrus -- Elephants -- Elephant family -- Dugong and manatees -- Horses and zebras -- Giraffe and okapi -- Rhinoceroses -- Battling hippos -- Camels and relatives -- Deer -- Cattle and antelope -- Wildebeest migration.

Birds -- What is a bird? -- A world of birds -- Birds of a feather -- Birds of prey -- Bald eagle -- Silent owls -- Gamebirds -- Seabirds and shorebirds -- Penguins -- The wandering albatross -- Pelicans and relatives -- Waterbirds -- Migration: Snow geese -- Kingfishers and relatives -- Flamingos -- Herons and relatives -- Parrots -- Hummingbirds -- Woodpeckers and toucans -- Amazing nests -- Perching birds -- Starlings -- A world of eggs.

Reptiles -- What is a reptile? -- Reptile birthday -- Tortoises and turtles -- Snakes -- Lizards -- Chameleons -- Geckos, skinks, and others -- Iguanas, monitors, and relatives -- Crocodiles and alligators.

Amphibians -- What is an amphibian? -- Salamanders and newts -- Frogs and toads -- Marine toad -- Poison dart frogs -- Frogs and toads.

Fish -- What is a fish? -- A world of sharks -- The big-headed hammerhead -- Killer sharks? -- Skates and rays -- Bony fish -- Schools -- Fishing for prey -- Giant grouper -- Deep-sea fish -- Spawning salmon.

Invertebrates -- What is an invertebrate? -- Sponges -- Sea anemones -- Jellyfish -- Corals -- Worms -- Mollusks -- Slugs and snails -- Octopuses and squid -- A world of shells -- Arthropods -- Dragonflies and damselflies -- Stick and leaf insects -- Grasshoppers and crickets -- Mantids -- Cockroaches -- Bugs -- Treehoppers -- A world of beetles -- Wetas -- Ants -- Termites -- Bees and wasps -- Flies -- Butterflies and moths -- Moths and butterflies -- Scorpions -- Spiders -- Spider silk -- Crustaceans -- Spider crabs -- Centipedes and millipedes -- Echinoderms -- Glossary.