Bearded Dragon: Amazing Photos & Fun Facts Book For Kids A bearded dragon is a kind of lizard. It can grow up to 24 inches, maybe even longer. It varies in color from species to species. Some are so small while others are so large. The bearded dragon used to only live in Australia, but because people wanted to get them as pets, they came to the Americas during the 1990s. However, some say, the bearded dragon wanted to try a new environment and experience life abroad so it traveled to foreign lands. Nowadays, you can find them everywhere. People still like keeping them as pets because they are very calm and friendly.