Armored Blue Dragonhawk

After you amassed a massive menagerie of 200 mounts, the animal authorities of the Alliance sent you a means to keep them in line (and out of their hair).

Riding Requirements:

This mount is available to all eligible characters on your account.
Level 10
Apprentice Riding (ground)
Expert Riding (flying)
Alliance only

Source:

Achievement: Mount Parade

Bundled Mounts:

You will also automatically learn:

Armored Red Dragonhawk

Notes:

This mount is the Alliance reward for collecting 200 different mounts.
For the Horde equivalent, see Armored Red Dragonhawk.

Introduced in:

Patch 5.3

Travel Mode:

Ground (+60% or +100% speed)
Flying (+150%, +280% or +310% speed)

Speed depends on your riding skill.

More info on Wowhead:

Armored Blue Dragonhawk