Untameable look : This look is not known from a tameable creature.
Required Skill: Feathermane Taming
You must learn a special skill to tame Feathermanes. It is taught by a Tome of the Hybrid Beast. See our guide for the pre-requisite achievements.
Undead Taming
Forsaken hunters automatically know how to tame undead creatures. Hunters of other races must learn the skill from a Simple Tome of Bone-Binding which is a rare drop from miscellaneous Elite NPCs throughout Maldraxxus and its associated dungeons: Plaguefall and the Theater of Pain.
Found in a special 'storm' phase of Siren Isle that you can access after completing the zone's weekly quest (by participating in activities and killing various NPCs around Siren Isle) and unlocking Special Assignment: Storm's a Brewin. Once unlocked, speak to Suzie Boltwrench at Flotsam Shoal to enter or leave the storm phase at any time, even after you complete the assignment.
Level scaling: Most NPCs will scale with the Hunter's level, within the constraints of their level range. Hunters can tame regular NPCs up to 2 levels higher than them, but can only tame elite NPCs of the hunter's level or below.