Addresses such questions about animals as why camels have humps, how bats see in the dark, and why birds have feathers.

Includes index.

Which is the biggest animal? -- What's the difference between sharks and dolphins? -- What's the difference between... frogs and toads? -- ...and alligators and crocodiles? -- ...and monkeys and apes? -- ...and rabbits and hares? -- Why do animals have skeletons inside their bodies? -- Which animals have skeletons on the outside? -- Why do camels have humps? -- Why do elephants have trunks? -- Why do giraffes have long necks? -- Which bird has eyes in the back of its head? -- How do bats see in the dark? -- Which animals smell with their tongues? -- Why are zebras stripy? -- Why do leopards have spots? -- Which animal changes color? -- Why are flamingos pink? -- Why do birds have feathers? -- Which bird can fly backward? -- Why can't penguins fly? -- Which frogs can fly? -- Which animals can walk upside down? -- Which fish can climb trees? -- How high can a kangaroo hop? -- How fast can a cheetah run? -- Which animal has an extra hand? -- How many ants can an anteater eat? -- Which animal uses its finger as a fork? -- Which is the biggest appetite? -- Which animals is the best archer? -- Which animals drink blood? -- Which birds use fish bait? -- Why do opossums play dead? -- Which is the smelliest animal? -- Which is the prickliest animal? -- Do animals kill people? -- Are all snakes poisonous? -- Are all sharks dangerous?