I have a few equus’s and I tamed 2 and bred the rest but when I went looking for the Equus’s “ on the island” I found them by a bunch of Agro Dino's so I had to kill them so I suggest finding equus’s without agro Dino’s by them unless you want to kill them.

Another thing is that rock carrots go bad fast so make sure you get a lot of rock carrots.