You are Medium.

You have a base walking speed of 30 feet and a climbing speed equal to your walking speed. With this climbing speed, you can climb on vertical walls, but not ceilings.

You gain a bite unarmed attack that deals 1d6 + your Strength modifier Slashing damage.

You have advantage on Stealth checks made to hide in rocky environments or places with significant gray coloration. 

You gain proficiency in Survival and Perception. In addition, you have advantage on Survival checks made to forage for natural resources.

Your armor class while unarmored is 13 + your Dexterity modifier. You can still use a shield as normal with this AC.

You can speak to and understand the speech of reptiles, dinosaurs, and similar reptilian creatures. Such creatures may be limited in intelligence, and you can use Animal Handling instead of any Charisma-based skill to interact with creatures in this way.

You can speak, read, and write Common and Draconic.