The killer whale is one of the fastest mammals in the ocean. It moves through the water at speeds of up to 30 miles per hour—that's faster than a Bengal tiger runs. The killer whale's super speed helps it catch over 500 pounds of food a day! These are just some of the fascinating facts kids will discover in the world of these powerful ocean predators. Eye-popping photos and clear, easy-to-read text will engage emergent readers as they discover the anatomical features that help killer whales reach fast speeds. A "Speed-o-Meter" graphic compares the killer whale's top speed to that of other animals.