What if I told you it was a new model?
It uses the same animation rig as other mounts, which is NOT something that's new. The Nether Drakes all used the original dragon animation rig from vanilla WoW. Dragonhawks and Nether rays share the same animation rig. Ashes of Al'ar uses the same old Gryphon animation rig from vanilla WoW.
You want me to continue?