Aquatic mammals such as whales and dolphins live and feed in the ocean. The Blue Whale is the biggest mammal on Earth.
The Ultimate Baleen Whale Quiz
Baleen whales are some of the largest creatures in the world. In fact, the blue whale is a type of baleen whale, is the largest creature to have ever lived. It is hard to imagine a creature that is large enough to swallow a small school bus in one gulp. Take this quiz to learn more about baleen whales.