there's plenty of room for tinkering with these:
Gyerian, Cockrobin
Medium Monstrous Humanoid
Hit Dice: 5d8 (22 hp)
Initiative: +3
Speed: 40 ft (8 squares)
Armor Class: 18 (+3 Dex, +X natural), touch 15, flat-footed 13
Base Attack/Grapple: +5/+5
Attack: Claw +2 melee (1d6)
Full Attack: 2 claws +2 melee (1d6) and beak +0 melee (2d6)
Space/Reach: 5 ft/5 ft
Special Attacks: Sneeze
Special Qualities: Darkvision 60 ft
Saves: Fort +X, Ref +X, Will +X
Abilities: Str 11, Dex 16, Con 11, Int 8, Wis 13, Cha 10
Skills: Hide +X, Jump +X, Listen +X, Move Silently +X, Spot +X, Survival +X
Feats: Alertness, Multiattack (b), Stealthy
Gyerian, Rooster
Medium Monstrous Humanoid
Hit Dice: 7d8 (31 hp)
Initiative: +3
Speed: 40 ft (8 squares)
Armor Class: 19 (+3 Dex, +X natural), touch 15, flat-footed 13
Base Attack/Grapple: +7/+7
Attack: Claw +2 melee (1d6+2)
Full Attack: 2 claws +2 melee (1d6+2) and beak +0 melee (2d8+1)
Space/Reach: 5 ft/5 ft
Special Attacks: Sneeze
Special Qualities: Darkvision 60 ft
Saves: Fort +X, Ref +X, Will +X
Abilities: Str 14, Dex 16, Con 11, Int 8, Wis 13, Cha 10
Skills: Hide +X, Jump +X, Listen +X, Move Silently +X, Spot +X, Survival +X
Feats: Alertness, Multiattack (b), Stealthy, PLUS ONE