B C B C The Animal Kingdom 4 What Are Mammals 6 Groups of Mammals 12 Largest and Smartest 18 Marvelous Mammals 20 Glossary 22 To Learn More 23 Index 24
Every living and extinct animal belongs to the animal kingdom 4
Mammals
Learn about the characteristics of mammals and understand the ways in which whales, bats, and elephants are all similar.
