rathian if female and fire
Wyvern
The Wyvern is a highly sought-after massive flying dragon that can overpower most creatures it faces. The deadly Wyvern, which is only tamable by stealing and raising as a baby, can be found in four varieities — Fire, Ice, Lightning, and Poison — each of which have distinct attacks.

Name ideas for your Wyvern from ARK players.
F Fire-Ashe
M ice-Arktic
M Lightning-Zeus
F Posion-Ivy
Fire: Kai
Ice Wyvern: Winter
Poison female- Rathian
Lighting: skrill
Lightning:Electro Dragon(from coc)
Wild Wyvern
If body black and blue fire:toothless
Paint black...Toothless
Articuno
Lightning: Raven
Jungle (poison wyvern)
Viserion: if fire and cream colored
Lighting: thunderstorm
Lighting: Skrill
Ice age
Fire:Pyro Ice:saphira poison:Spitfire lightning:voltage
If ice wyvern Winter
For lighting: Splix