One of the Equus locations. Take the taming quest it'll show you where they are (not sure if this is still relevant but if anyone need this, it's here just in case) :
Where to Find and How to Tame Equus in Ark Survival Evolved | ARK: Survival Evolved
Ark Equus - The Ultimate Guide - GameTaco
ARK: Equus - How to Tame, Feed and Breed!
ARK: Equus - How to Tame, Feed and Breed!
Ark: Survival Evolved Horse Taming Is Almost Exactly Like Zelda's
Ark Mobile| How To Tame An Equus Solo/Craft Lasso | iOS/Android Total Beginner's Guide - YouTube
Mod:Primal Fear/Fabled Equus - ARK: Survival Evolved Wiki
Ark Mobile Easy Equus Tame (Equus Pursuit) | Equus Taming Ark Mobile | Equus Ability | Equus Lasso - YouTube
How to tame a horse in Ark: Survival Evolved - Equus Taming Guide - Gamepur
Latest Ark: Survival Evolved update lets you lasso critters while riding a horse and looking for a unicorn | VG247
Equus Taming Food | Food Timer
Equus Power and Racing Classes? - General - ARK - Official Community Forums
Why is this equus losing health but his food doesn't go down? : r/ARK
How to tame a horse in Ark: Survival Evolved - Equus Taming Guide - Gamepur