Sounds travel faster in the water than the air, so whales hear sounds quickly, and from far away. Whales have blubber, a thick layer of fat, which helps them survive when they can't find food and it keeps them warm in the cold water. A whale breathes through the opening in the top of its head known as a blowhole . It would drown if it didn't come to the surface for air time to time. Because of this a whale takes short naps many times a day.
Some whales migrate, or swim all over the world, while others remain year-round in the same place.
Through the years there have been many whales put on the endangered list . Below you see a picture of a Humpback Whale with words around it. These are the names of the whale's body part. Let's study them. Let's look at a these whales to find out some interesting facts, where they live, and what they eat.