Zombie Horse
The Zombie Horse is an unused variant of the horse that resembles a zombie. It has green skin, completely black eyes, and appears to be the undead version of a regular horse. Unlike other undead mobs, Zombie Horse does not burn in sunlight.
Zombie Horse does not spawn naturally and can only be summoned using commands (/summon zombie_horse) or by using a spawn egg. When using a spawn egg, 20% of Zombie Horse spawn as babies. Zombie Horse cannot be bred, tamed, or equipped with chests. However, Zombie Horse can be ridden if summoned with the correct attributes, making them functionally similar to regular horses in movement speed and jumping ability.
Despite their undead appearance, Zombie Horse does not have hostile behavior like zombies or skeletons. Since Zombie Horse cannot be obtained naturally in survival mode, they are primarily used for adventure maps, creative builds, or commands.