From curly-horned bighorns to long-legged storks, and from fast-flying falcons to ring-tailed raccoons, the world of animals is wonderfully diverse. This popular and newly expanded series continues traveling 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 creatures appearance, habitat, behaviors, and life cycle. Each book also presents a folk story that people have used to help explain the animals appearance or behavior. Supports the Next Generation Science Standards. A basic exploration of the appearance, behavior, and habitat of crabs, the widespread shelled crustaceans. Also included is a story from folklore explaining why crabs look as though they are headless.