http://breezewiki.vernccvbvyi5qhfzyqengccj7lkove6bjot2xhh5kajhwvidqafczrad.onion/minecraft/wiki/Zombie
Before becoming a jockey, upon nearing the player , they check for one of the following to mount prior attacking: adult chickens , adult ocelots , adult wolves , adult zombies, adult zombie villager , adult zombie pigmen , cows , pigs , sheep , cave spiders or spiders . v0.16.0 ?