Snarls is a level 3 wolf who spawns just east of Vas near the house. He is a are spawn. You must kill all the lupine snarlers and lynxes till he pops. He popped twice in 10 minutes then took an hour before he popped again. All lupine snarlers (level 2) in area assist him when you attack him so be prepared for adds.
Snarls requires a minor mammology potion.