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A skeleton horse can be tamed by killing the skeleton that is riding the horse. Then, the player will be able to tame it. A saddle is required, too.
A “skeleton trap” horse is a skeleton horse spawned from a fraction of lightning strikes during a thunderstorm (0.75–1.5% chance on Easy, 1.5–4% on Normal, and 2.25–6.75% on Hard, depending on regional difficulty).
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The rarest regular spawning horse is easily the skeleton horse…
Skeleton horses should behave like skeletons (Burn in the sun & despawn quicker in the day) … The only way to find/ capture a skeleton horse is if a living one gets struck by lightning.
A lightning strike affects certain mobs differently: Lightning may randomly spawn a “Skeleton Trap” Horse with a chance of 0.75–1.5% chance on Easy, 1.5–4% on Normal, and 2.8125–6.75% on Hard, depending on the regional difficulty. … A pig struck by lightning turns into a zombified piglin. A creeper becomes charged.
Skeleton horses are rare mobs that are a variation of skeletons. They can spawn if a horse is struck by lightning. They despawn very quickly though. Unlike regular horses, they will not kick the player off if they go more than 2 blocks underwater but will sink instead.
In Minecraft, you can not feed a skeleton horse! Since a skeleton horse is undead, the Instant Damage effect will restore health points to the skeleton horse. Try throwing a splash potion or lingering potion of Harming at the skeleton horse or shoot an arrow of Harming at the skeleton horse to restore its health.
Dragon Egg
It can be spawned only by using the /summon rabbit ~ ~ ~ {RabbitType:99} command. It appears with a nameplate over its head reading “The Killer Bunny”. damage on Normal difficulty. If the player strikes at the killer bunny, it runs away for a brief moment, then returns to lunging at the player.
One of the rarest colors, a white horse has white hair and fully or largely unpigmented (pink) skin. These horses are born white, with blue or brown eyes, and remain white for life. The vast majority of so-called “white” horses are actually grays with a fully white hair coat.
Top 10 Minecraft Best Horse