The Adder (level 1) can be found in Durotar.

Pet Species

Beast

Other Locations

Higher levels of this critter can be found in Blasted Lands, Hellfire Peninsula, Northern Barrens, Northern Stranglethorn, and Southern Barrens.

Abilities

Bite
Hiss
Burrow
Poison Fang
Counterstrike
Vicious Fang