The dragons were soon smart enough to realize that they were unorganized, were like animals. Soon the dragons all gathered together. They realized that each one from a different environment was different. They were separated into different groups.
The ones who lived in caves, were dark colored and had bat like features. They were called Shadowscales.
(Warning the pictures isn't mine)
The ones who lived in the cold icy mountains, had long tails making them look like a serpent. They were called Icytails,
The ones who lived in the forest, their wings are made of leaves and can easily be remade if they have leaves. They were called Leafwings.
The ones who lived on the beach near the ocean, had gills and fins but strangely no wings. They were called Silvergills.
These tribes decided to spilt the island into different territories to they would live in peace. They agreed and left into their territories