Battleboars are neutral level 3-4 boars found in Mulgore. Killing them and collecting their meat and snouts is an objective of  The Battleboars.
In the RPG
This section contains information from the Warcraft RPG which is considered non-canon.
Kalimdor's quilboars specially train battleboars, which bear sharp metal caps on their tusks that increase their deadliness.
The subject of this section has been removed from World of Warcraft in patch 4.0.3a.