Your Strength score increases by 2, and your Constitution score increases by 2.

Galeb Duhr are between 5 and 7 feet tall and weigh between 400 and 600 pounds. Your size is Medium.

Your base walking speed is 25 feet. But as a bonus action you can increase your speed to 35 feet by rolling and 60 when rolling down hill.

Your armor class is 15 plus your dexterity modifier (max 2). Also you have resistance to poison damage 

You count as one size larger when determining your carrying capacity and the weight you can push, drag, or lift.

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