Did you know that blue whales have blue and gray backs above the water and blue whales bodies are longer than a basketball court. Next, they are 100 feet tall and 200 ton and they can jump out of the water over 30 feet (9.1m)wow that's high. Then Did you know that blue whales groups are called a pod.After That A blue whales tongue can weigh about as much as a elephant. Last, Blue whales esophagus is only a inch wide.