Items, NPCs, quests, objects and spells of patch 1.12.1, read live from the realm itself.

Thick Black Claw

NPC	Level	Zone	Chance
Carrion Vulture	50 - 52	Western Plaguelands	20.0%
Diseased Black Bear	51 - 52	Western Plaguelands	20.0%
Rotting Condor	53 - 55		2.00%
Plaguewing Vulture	56 - 58		2.00%
Diseased Grizzly	55 - 56	Western Plaguelands	2.00%