Have you ever wondered WHY sea creatures do the things they do? Learn fun facts about some of your favorite ocean animals including crabs, fish, octopuses, sea turtles, whales, and coral in this simple yet informative introduction to nonfiction. Readers will learn the answers behind: Why do crabs walk sideways? Why don't fish have eyelids? Why do octopuses change colors? Why do sea turtles look like they are crying? Why do whales sing to other whales? Why does a coral reef look like a bunch of colorful shells? About the Why Do series: Introduce early learners to nonfiction with this layered series full of fun and learning. Each book explores a STEM topic by answering questions kids want to know! The whimsical pages of these books feature the why do questions and silly answers and illustrations before revealing the true answers. Vocabulary words and simple activities are scattered throughout to add to the fun. Plus additional facts and photos of the featured animals can be found in the back pages to enhance the readers knowledge of each animal!