Index of All Pets: A-Z

Drop: Cache of Innovation

Zone: Ulduar

Approximate Drop Rate: Unknown

Drop: Hellscream Laborer [90], Kor'kron Marauder [90], Mercenary Engineer [90]

Zone: Northern Barrens

Approximate Drop Rate: 1 in 6,600

Pet Battle: [23-25] The Jade Forest; [25] Highmountain; [25] Azsuna

Pet Battle: [23-25] The Jade Forest

Pet Battle: [1-2] Mulgore

Quest: Mastering the Menagerie [??]

Zone: Lunarfall, Frostwall

Drop: Big Bag of Pet Supplies

Approximate Drop Rate: 1 in 50

Pet Battle: [23-25] Frostwall; [23-25] Lunarfall

World Event: Hallow's End

Pet Battle: [23-25] Frostwall; [23-25] Lunarfall

World Event: Hallow's End

Vendor: Darahir

Zone: Dalaran (Northrend)

Cost: 40 (unlimited supply)

World Event: Darkmoon Faire (first week of each month)

Vendor: Galissa Sundew

Zone: Darkmoon Island

Cost: 100 (unlimited supply)

Drop: Maexxna [??+]

Zone: Naxxramas

Approximate Drop Rate: 1 in 6

Profession: Fishing [1+]

Zone: Dalaran (Northrend)

Approximate Catch Rate: 1 in 1,000

Pet Battle: [23-25] The Jade Forest; [24-25] Vale of Eternal Blossoms

Vendor: Will Larsons (Worgen only)

Zone: Darkshore

Cost: 50 (supply of 1)

Pet Battle: [9-10] Southern Barrens

Pet Battle: [25] Val'sharah

Vendor: Tiffy Trapspring

Zone: Lunarfall

Cost: 100 (unlimited supply)

Vendor: Giada Goldleash

Zone: Frostwall

Cost: 100 (unlimited supply)

Pet Battle: [13-14] Badlands; [13-14] Tanaris; [25] Gorgrond

Quest: Egg Wave [81]

Zone: Mount Hyjal

Achievement: The 'Unbeatable?' Pterodactyl: BEATEN.

Category: Cataclysm

Pet Battle: [24-25] Vale of Eternal Blossoms

Pet Battle: [24-25] Vale of Eternal Blossoms

Pet Battle: [25] Spires of Arak

Vendor: Jilanne

Zone: Eversong Woods

Cost: 50 (unlimited supply)

Pet Battle: [25] Stormheim

Promotion: Recruit-A-Friend

Drop: Sha of Pride [??+]

Zone: Siege of Orgrimmar (LFR or Flexible)

Approximate Drop Rate: Unknown

Pet Battle: [24-25] Townlong Steppes

Pet Battle: [7-8] Arathi Highlands

Promotion: Heroes of the Storm

Vendor: Shylenai

Zone: Darnassus

Cost: 50 (unlimited supply)

Drop: Defias Pirate

Zone: The Deadmines [15-16]

Approximate Drop Rate: 1 in 50

Trading Card Game: Crown of the Heavens

Pet Battle: [1-2] Azuremyst Isle; [1-3] The Exodar

Drop: Karr the Darkener [90]

Zone: Dread Wastes

Approximate Drop Rate: 1 in 11

Pet Battle: [20-22] Howling Fjord; [21-22] Grizzly Hills; [23-24] Twilight Highlands

Promotion: BlizzCon 2014

Drop: Azgalor [??+]

Zone: Hyjal Summit

Approximate Drop Rate: 1 in 25

Pet Battle: [22-23] Mount Hyjal

Pet Battle: [23-25] The Jade Forest

World Event: Feast of Winter Veil

Drop: Snow Mound

Zone: Frostfire Ridge

Approximate Drop Rate: 1 in 20

Quest: Grumpy [98]

Zone: Val'sharah

Promotion: BlizzCon 2009

Pet Store 

Drop: Gu'chi the Swarmbringer [90]

Zone: Timeless Isle

Approximate Drop Rate: 1 in 33

Pet Store 

Guild Achievement: Profit Sharing

Category: General

Vendor: World Vendors - Guild

Cost: 500 (unlimited supply)

Cooldown: 4 hrs

Guild Achievement: Profit Sharing

Category: General

Vendor: World Vendors - Guild

Cost: 500 (unlimited supply)

Cooldown: 4 hrs

Guild Achievement: Horde Slayer

Category: General

Vendor: World Vendors - Guild

Cost: 300 (unlimited supply)

Cooldown: 8 hrs

Guild Achievement: Alliance Slayer

Category: General

Vendor: World Vendors - Guild

Cost: 300 (unlimited supply)

Cooldown: 8 hrs

Drop: Bufo [90]

Pet Battle: Timeless Isle

Approximate Drop Rate: 1 in 33