Unused look : This look is not available in the game.
This is a variant of the white crane colour which appeared in the alternate version of the game database used for Chinese servers. Perhaps it could be copied to the main database and used to add grey cranes to other servers.
*Level scaling: In Shadowlands 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.