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Have you ever wondered how fish breathe underwater, how caterpillars transform into butterflies, how snakes slither, or why deer grow cumbersome antlers every year' This book on the anatomy and behavior of animals solves these mysteries in an irresistibly engaging way: by organizing the information by behavior or adaption, instead of by species. Readers will learn about flight by looking at birds, insects, bats, and flying squirrels. They'll learn about skin by comparing scales, feathers, fur, and shells. How Animals Work explains the structures and systems of animal bodies, using exquisite photographs and diagrams to show how animals use their anatomy to move, communicate, hunt, and feed, and how their bodies enhance their chances in the struggle for survival.