Dragon

Description
''Dragon, legendary monster usually conceived as a huge, bat-winged, fire-breathing, scaly lizard or snake with a barbed tail. The belief in these creatures apparently arose without the slightest knowledge on the part of the ancients of the gigantic, prehistoric, dragon-like reptiles.''

- dragon | Description, Myths, Types, & Facts | Britannica

Egg
Dragon eggs are large eggs with tiny scales, which shimmer like polished metal in the sunlight. Dragon eggs come in a variety of rich colors. The color of the egg is a duller color of the dragons.

Hatchling
After 2 months of nesting, the baby dragons emerge from their eggs. Each baby dragon has an egg-tooth, which is a sharp, pointed bone at the front of their snout. This is used to break out of the shell. Hatchlings have soft scales that harden over time. Hatchlings are also born with a mouthful of sharp teeth. When the first dragon starts to emerge and cry, it urges the other baby dragons to hatch.

Dragonet
At the age of 15 the dragon is now considered a dragonet. Horns and spines will start growing. The dragon gains muscle. Wings can support it, but not through extended flight.

Juvenile
At age 40 the dragon is considered a juvenile. Parents teach it how to fly at this time. Wings and flight muscles continue to grow.

Young Adult
At the age of 60 the dragon is now a young adult and leaves to find its own cave.

Adult
At the age of 60 the dragon is now a young adult and leaves to find its own cave.

Wyrm
Around the age of 100 dragon experience a hormonal change and get the urge to mate. The females' colors will get brighter because of this change. When the males notice this they will fight. The fights are never fatal. Though it can cause sever damage (especially to the wing membrane). Most dragons mate 1-4 times.

Egg
The average dragon egg is about the size of a small rain barrel.

Hatchling
They are about the size of a average human. 5.2 - 5.7 ft

Dragonet
Unknown

Juvenile
Unknown

Young Adult
Unknown of their exact size, but it's foot is the size of the average human. 5.2 - 5.7 ft

Adult
Unknown of their exact size, but the average human is the size of it's paw print. 5.2 - 5.7 ft

Wyrm
Unknown of their exact size, but the average human is the size of it's claw. 5.2 - 5.7 ft

Flight
Flight is one of the most recognizable abilities of typical dragons in fantasy and mythology.

Fire
Dragons have the ultimate built-in defense: They can breathe fire, smiting their enemies by turning them into charred husks.

Scales
One thing that is a trope related to dragons is that they are obscenely large. They would have their thickest scales around the middle of the back. being around 24 centimetres thick. That is almost 10 inches.

Teeth/Claws
A dragons Teeth and Claws are extremely sharp. They used to be used as swords.

Eyes
A dragons eye is the only part of the outer dragon that is not covered in scales. You could harm the dragon by getting a hit there.

Stomach
A dragons scales aren't as thick here.

Behavior and Personality
Dragons are very loyal, and respectful. Honor everything, even the opponent at war-time. And a Dragon almost always keeps his word. Dragons enjoy all kinds of activities, and some even support hobbies.

Commonly mistaken
Dragons are often mistaken for many of its dragon cousins. These include Wyverns, Hydras, Wyrms, Drakes, Lung Dragons, Amphitheres, Lindworms, Fae, Kirin, Cockatrice, Salamanders, Sea Serpents, and Quetzalcoatls. The main differences between these are the amounts of wings and legs the creature has.