Tethis can be found north of Gurubashi Arena, among other raptors.
Tethis used to be an elite mob, but was reduced to normal status along with many other outdoor elite mobs in Patch 2.3.
In Cataclysm
This section concerns content exclusive to Cataclysm.
After the sundering of Stranglethorn Vale, Tethis was relocated just north of the Ruins of Zul'Mamwe[59, 60]