Cyclone

Pet Battle: [10-11] Western Plaguelands

Quest: Egg Wave [81]

Zone: Mount Hyjal

Achievement: The 'Unbeatable?' Pterodactyl: BEATEN.

Category: Cataclysm

Achievement: Menagerie

Category: Pet Battles

Vendor: Harry No-Hooks, Narkk

Zone: The Cape of Stranglethorn

Cost: 40 (unlimited supply)

Pet Battle: [1-2] Teldrassil

Pet Battle: [22-23] Dragonblight

Pet Battle: [4-6] Redridge Mountains

Quest: Egg Wave [81]

Zone: Mount Hyjal

Achievement: The 'Unbeatable?' Pterodactyl: BEATEN.

Category: Cataclysm

Vendor: Shylenai

Zone: Darnassus

Cost: 50 (unlimited supply)

Drop: Defias Pirate

Zone: The Deadmines [15-16]

Approximate Drop Rate: 1 in 50

Pet Store 

Vendor: Shylenai

Zone: Teldrassil

Cost: 50 (unlimited supply)

Drop: World Drop

Zone: Northern Stranglethorn [25-30], The Cape of Stranglethorn [30-35]

Approximate Drop Rate: 1 in 8,000

Pet Battle: [21-22] Grizzly Hills

Profession: Tailoring [550]

Taught By: Tailoring Trainers

Vendor: Adrey Burnhep, Varzok (Pandaren only)

Zone: Stormwind, Orgrimmar

Cost: 50 (supply of 1)

Profession: Jewelcrafting [600]

Taught By: [Design: Jade Owl]

Quest: Skywing [65]

Zone: Terokkar Forest

Pet Store: Alliance

Pet Store: Horde

Pet Battle: [11-12] Feralas

Quest: Pandaren Spirit Tamer [1]

Zone: Vale of Eternal Blossoms

Drop: Pandaren Spirit Pet Supplies

Approximate Drop Rate: unknown

Pet Battle: [7-9] Northern Stranglethorn; [9-10] The Cape of Stranglethorn; [14-15] Swamp of Sorrows; [15-16] Un'Goro Crater

Pet Battle: [7-9] Northern Stranglethorn

Vendor: Quartermaster Brazie

Zone: Tol Barad Peninsula

Faction: Baradin's Wardens - Honored

Cost: 50 (unlimited supply)

Vendor: Pogg

Zone: Tol Barad Peninsula

Faction: Hellscream's Reach - Honored

Cost: 50 (unlimited supply)