As pets grow and gain levels they will start to evolve. There are three pet stages or "Evolutions"
See Also: Pet Items from the Item Mall | Pet Colors | Getting the Most from Your Pet
Horse Evolution

	Levels 1-15 Pony
	Level 16 -60 or until Mounted at Level 31 Horse
	Levels 31-60* Knightmare (mounted)

* The final pet evolution only happens when you train the pet into a mount

Dragon Evolution

	Levels 1-15 Hatchling
	Level 16 -60 or until Mounted at Level 31 Drake
	Levels 31-60* Dragon (Dragons are notoriously difficult to photograph due to their shy and nervous nature)

*The final pet evolution only happens when you train the pet into a mount