3From winged bats to furry wolves, and from leaping dolphins to stalking lions, the world of animals is wonderfully diverse. This popular series travels the planet to study these and other fascinating mammals, birds, reptiles, fish, and invertebrates. Beautiful photos are paired with STEM-appropriate text to examine the featured creature's appearance, habitat, behaviors, and life cycle. Each reissued title also presents a folk story that people have used to help explain the animal's appearance or behavior. This revised edition surveys key aspects of polar bears, describing the swimming Arctic mammals' appearance, behaviors, and habitats. A folk tale explains why these creatures have short tails.