Moccasin

Moccasins are level 1 snakes found in the Swamp of Sorrows.

Pet Journal
When hunting or evading predators, this snake can travel on the surface of water for short distances.

Achievements
Killing one of these is required for Pest Control. For those seeking them out, two readily identifiable places to find them are Misty Valley and the area outside Itharius's Cave, south of the entrance from Deadwind Pass.