Winter Harvesthog

Coming in The War Within (patch unknown).

Winter Harvesthogs are primarily nocturnal creatures. They are slightly slower than other harvesthogs, but their endurance is unmatched.

Riding Requirements:

Level 10
Apprentice Riding

Source:

Tawny Seabraid in Stormwind City.
Wilder Seabraid in Stormwind City.
Shiri in Valley of Strength, Orgrimmar.
Zen'kala in Valley of Strength, Orgrimmar.

Notes:

This cute hedgehog mount will be obtainable from the Trading Post in an upcoming month. Unfortunately we can't say exactly when, as Blizzard don't announce Trading Post offerings ahead of time.

Travel Mode:

Ground (+60% or +100% speed)

Speed depends on your riding skill.

Other Mounts Using the Same Model:

Spring Harvesthog

Autumn Harvesthog

Summer Harvesthog

More info on Wowhead:

Winter Harvesthog taught by Winter Harvesthog