Human: oh horsey! Ima approach it!

Equus: aaaa human! Aaaaaaaaaaaaaaaaaaaaaaaaaaaa!

Human: aw man it went away!

Wiki: you need to ride the equus and feed berry and emote when prompted to feed again

Human: oh now I get it! (Rides equus)

Game: Feed rockarrot to tame!

Game: wait until it’s hungry again!