In patch 3.2 sunreaver dragonhawks will get a new armored skin and be untameable.
If you tame one now, it will get this new skin once patch 3.2 is out, so here is your chance to get a unique limited hunter pet...
I just read it on Petopia and posted it here to make sure everyone is aware of this.
Only alliance can attack and tame it, before patch 3.1 horde could tick at war with the Sunreavers, so if you tamed one then you would get this pet.
The tameable dragonhawks can be found at the Crystalsong Forest Sunreaver base.
The skin in question is this :