Corrupted Fire Hawk
Meta Reward for Glory of the Firelands Raider
Pureblood Fire Hawk
-- -- Rare boss drop from Ragnaros, the Fire Lord!
Meta Raid Reward from Glory of the Dragon Soul Raider
Quest reward from Archimonde Heroic Drop
Flametalon of Alysrazor
Rare Drop from Alysrazor in Firelands
Rare Drop from Onyxia V2.0
Old School Baron drop in Stratholme
Kor'kron War Wolf
Ahead of the Curve Garrosh Hellscream Mount
Bloodbathed Frostbrood Vanquisher
Meta Raid Reward from Glory of the Icecrown Raider (10 man)
Spawn of Galakras
Meta Raid Reward from Glory of the Orgrimmar Raider
Defeated Ragnaros during WoW 10th Anniversary Celebration.
Challenger's War Yeti
Challenge Warlord: Silver Achievement Reward
Drake of the East Wind
Meta Raid Reward from Glory of the Cataclysm Raider
Warlords of Draenor Rare Mount Drop
Rare Warlords of Draenor Drop -- Bigger, Uglier Poundfist!
Armored Brown Bear
Traveler's Tundra Mammoth
Turns character into a Drake -- While in flight, you can carry another ally on your back like a vehicle.