Animals in the Ark (Animal Ark Series #50): Lucy Daniels: 9780340783245: Amazon.com: Books
Equus - Official ARK: Survival Evolved Wiki
Where to Find and How to Tame Equus in Ark Survival Evolved | ARK: Survival Evolved
Amazon.com: The Story of Noah and His Ark (Audible Audio Edition): Clive Johnson, Clive Johnson, Labyrinthe Press: Audible Audiobooks
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