Biter
Ability Training (Strength), Ability Advancement (Strength), Weapon Focus (Bite), Power Attack, Improved Natural Attack (bite)
Brute
Ability Training (strength), Ability Advancement (strength), Power Attack, Improved Bullrush, Improved Sunder
Thick-skinned
Improved Natural Armor x3, Toughness x2
Quick
Abiltity Training (dexterity), Ability Advancement (dexterity), Combat Reflexes, Dash, Improved Initiative
Tough
Ability Training (constitution), Ability Advancement (constitution), Improved Toughness, Endurance, Diehard