Can you remember what mammals are?
Fungi the dolphin
Copyright Mike Brown
Copyright Mike Brown
Most mammals have four legs and a tail. Marine mammals are different. They have fins and flippers instead of legs. These are much more useful for swimming!
Do you know the names of any marine mammals? Whales, dolphins, porpoises, turtles, seals, walruses and polar bears are all marine mammals.
How many kinds of mammals do you think there are on Earth? About 5,000!
How many kinds of fish do you think there are on Earth? Over 21,000!