Flock

Vendor: "Plucky" Johnson

Zone: Thousand Needles

Cost: 1 (unlimited supply)

Pet Battle: [25] Hallowfall

Shadowlands Profession: Protoform Synthesis

Taught By: [Archetype of Satisfaction]

Drop: Crane Nest

Zone: Timeless Isle [30-35]

Approximate Drop Rate: 1 in 50

Pet Battle: [1] City of Threads; [25] The Ringing Deeps; [25] Hallowfall; [25] Azj-Kahet

Drop: Pilgrim's Bounty

Approximate Drop Rate: 1 in 33

Pet Battle: [1-2] Elwynn Forest; [1-2] Tirisfal Glades; [3-4] Westfall; [3-6] Bloodmyst Isle; [4-6] Redridge Mountains; [5-7] Duskwood; [6-7] Hillsbrad Foothills; [20-22] Howling Fjord

Pet Battle: [25] Eye of Azshara; [25] Azsuna; [25] Suramar

Vendor: Quartermaster Alcorn

Zone: Drustvar

Faction: Order of Embers - Revered

Cost: 200 (unlimited supply)

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

Vendor: Lhara

Zone: Darkmoon Island

Cost: 90 (unlimited supply)

Drop: Darkmoon Game Prize

Zone: Darkmoon Island

Approximate Drop Rate: 1 in 2,000

Pet Battle: [25] Zereth Mortis

Critter: Agitated Poultrid

Pet Battle: [1] Dornogal; [25] Isle of Dorn; [25] The Ringing Deeps; [25] Hallowfall

Drop: Plaguefeather [50+]

Zone: Arathi Highlands Warfront

Approximate Drop Rate: Unknown

Drop: Francois [1]

Zone: Tiragarde Sound

Approximate Drop Rate: 1 in 1

Vendor: Dana Pull

Zone: Tiragarde Sound

Cost: 50 (unlimited supply)

Vendor: Olly (H)

Zone: Dazar'alor

Cost: 50 (unlimited supply)

Requires: A Shady Message

Pet Battle: [25] Hallowfall

Blizzard Store 

Drop: Hallowfall Sparkfly

Zone: Hallowfall

Drop Rate: 1 in 1

Pet Battle: [23-24] Twilight Highlands

Quest: Ikky [30]

Zone: Spires of Arak

Pet Battle: [25] The Waking Shores; [25] Ohn'ahran Plains

Vendor: Adrey Burnhep, Varzok (Pandaren only)

Zone: Stormwind, Orgrimmar

Cost: 50 (supply of 1)

Drop: Ji-Kun [??+]

Zone: Throne of Thunder

Approximate Drop Rate: 1 in 125

World Event: Noblegarden

Vendor: Noblegarden Merchant (Horde) / Noblegarden Vendor (Alliance)

Cost: 250 (unlimited supply)

Vendor: Pakak

Zone: Valdrakken

Cost: 1 1 3 (unlimited supply)