Mammalsare vertebrates (backboned animals) that feed their young on mother's milk. There are approximately 4,260 species of mammals
When you think of an animal it is likely to be a mammal. People are mammals. Cats and dogs are mammals. So are such farm animals as cattle, goats, hogs, and horses. Mammals also include such fascinating animals as porcupines, gorillas, giraffes, rhinoceroses and kangaroos.
Mammals are found to exist all over the world in all different climates. Mammals such as chimpanzees and elephants dwell in tropical regions. Arctic foxes, polar bears and many other mammals make their home near the North Pole. Camels and coyotes live in deserts. Some mammals even live in the sea such as dolphins, seals and whales. One group of mammals, the bats, can fly.
