Dragons are creatures with nearly unlimited life spans. They can survive for long periods of time, and no one has found a dragon that has died of old age. Adolescence is usually marked by the growth of a hatchling's wings, although not all breeds of dragons grow wings and some breeds have other traits that indicate the beginning of maturation. Once they hit adolescence, hatchlings change quickly, maturing to their full forms in only 2 years.

Dragons don't communicate with each other verbally, but they will growl to scare off predators and frighten prey. Young dragons will emit an extremely high-pitched squeal when they are frightened. To communicate, they use telepathy with each other and to speak to other creatures.

Green dragons are also sometimes called "earth" dragons. They usually live deep within caves, and have power over the earth. They are capable of launching boulders at high speeds, and can cause earthquakes by slamming down onto the ground.

Greenson Ling, being an avid pebble collector, is often overzealous in his pursuit of the ultimate pebble collection. He has often times found himself the butt of many jokes from his fellow dragons, from Greyson Ling tossing rocks off the cliff side, to Greensin Ling luring him with a beauty of a pebble only to tangle him within many vines. Still Greenson Ling refuses to give up his hope and dream of the ultimate pebble collection.