New mounts were officially added in the latest Patch 10.2 PTR build, including a name for the fiery owl, Anu'relos, Flames Guidance obtained from Mythic Fyrakk! Unfortunately drop locations currently remain as placeholders for the Dreamsaber, Dreamstag, and Dreamtalon mounts, so we'll have to provide an update as soon as those get added.
Anu'relos, Flames Guidance — Mythic Fyrakk Mount
«Though her feathers flicker with flame's destructive potential, they do not scorch, but simply radiate a comfortable heat.»
Flourishing Whimsydrake — Emerald Welcome
«These playful protectors of the Emerald Dream may be larger than their relatives, the faerie dragons, but they are no less mischievous.»
Dreamtalon Mounts
Reins of the Ochre Dreamtalon
Reins of the Snowfluff Dreamtalon
Reins of the Springtide Dreamtalon
Dreamsaber Mounts
Reins of the Winter Night Dreamsaber
Reins of the Morning Flourish Dreamsaber
Reins of the Shadow Dusk Dreamsaber
Reins of the Evening Sun Dreamsaber
Dreamstag Mounts
Reins of the Blossoming Dreamstag
Reins of the Suntouched Dreamstag
Reins of the Rekindled Dreamstag
Reins of the Lunar Dreamstag
Read more on wowhead.com