Blue whales aren't only the largest marine mammals, they're the largest animals anywhere on Earth! These huge whales are record breakers for their size, but there are so many more fascinating facts to learn about them. Readers will learn about blue whale anatomy, behaviors, range, and what they eat to grow so large. Readers will love captivating photographs of these gentle giants, which are paired with engaging text to create a dynamic reading experience. Let's take a deep dive into the ocean to meet the blue whale.