Wild Goretusk

If you want a gentle ride, go find a "tame happytusk" or something.

Riding Requirements:

This mount is available to all eligible characters on your account.
Level 10
Apprentice Riding

Source:

Z'tenga the Walker in Tanaan Jungle. Requires Honored with The Saberstalkers.
Cost: 1000 (reputation discounts apply for some factions)

Notes:

This mount is sold by Z'tenga the Walker, who can be found at the entrance to Fang'rila in the southern Tanaan Jungle. To purchase it you need to collect 1000 Blackfang Claws, by killing the Saberon in the area, and also reach Honored with his new faction.