Pureblood Fire Hawk
-- -- Rare boss drop from Ragnaros, the Fire Lord!
Ashes of Al'ar
0.01% drop from Kael'thas in Tempest Keep
Vitreous Stone Drake
Rare Drop from Rare Spawn in Stonecore and Awesome Looking Drake!
Quest reward from Archimonde Heroic Drop
Rare Drop from Onyxia V2.0
Icebound Frostbrood Vanquisher
Meta Raid Reward for Glory of the Icecrown Raider (25 Man)
Blizzard Store Mount $25
Warlords of Draenor Rare Mount Drop
Rare Warlords of Draenor Drop -- Bigger, Uglier Poundfist!
Reward for Meta-achievement : Draenor Pathfinder
Armored Brown Bear
Traveler's Tundra Mammoth
Thundering Jade Cloud Serpent
Turns character into a Drake -- While in flight, you can carry another ally on your back like a vehicle.
Warlords Rare Mount received from killing Gorok.