Can be tamed.

Level:47 Rare Elite
Name:Retains original name after taming.
Requires Feathermane Taming.Feathermane Taming
You must learn the skill to tame Feathermanes, which is taught by a Tome of the Hybrid Beast. See our guide for the pre-requisite achievements.
Location & Notes:

Located in Azsuna. Stormfeather is located on a ridge above a cave, north of Oceanus Cove. It's not up every day and may only be present when the world quest DANGER: Stormfeather is up.