Green bird (xatu) - leftovers
EVs: 252 HP, 252 spdef, 4 spd
Nature: Calm
Ability: Magic Bounce
Moves:
Thunder wave (Cripples opposing leads)
Roost (HP recovery)
Night Shade (Fixed damage, gets through defensuve foes)
U-turn (Allows him to get away, and what with green bird's boomerang power, it's kind of funny)
Blue bird (swoobat) - life orb
EVs: 252 spa, 252 spd
Nature: Timid
Ability: Simple
Moves:
Calm mind (with simple, this is the equivelant of a nasty plot and an amnesia in the same turn)
Shadow ball/roost (Another attack VS longetivity)
Psychic/Psyshock (Power VS the ability to break special walls)
Hidden power fighting (Coverage)
Yellow bird (pidgeot) - Choice band
EVs: 252 atk, 252 spd, 4 HP
Nature: Jolly
Ability: Tangled feet
Moves:
Brave bird (STAB)
Return (STAB)
Quick attack (STAB, priority)
U-turn (Lets him scout)
Red bird (braviary) - Choice scarf
EVs: 252 atk, 252 spd
Nature: adamant
Ability: Defiant
Moves:
Retaliate (Staggering power after an ally has died, perfect for a revenge kill)
U-turn (allows him to scout, also a good move for revenge killing)
Brave bird (STAB, unspeakable power)
Superpower (hits rock and steel types)
White bird (Skarmory) - leftovers/shed shell
EVs: 232 def, 252 HP, 24 spe
Nature: impish
Ability: sturdy
Moves:
Spikes
Roost
Whirlwind
Brave Bird
Black bird (staraptor) - Life orb
EVs: 252 atk, 252 spd, 4 HP
Nature: Jolly
Ability: Reckless
Moves:
Brave Bird
Close Combat
Doube Edge (these 3 moves all hit like a train)
Roost (Lets him rain chaos that much longer)