zombiehs_1.16.4-2.5.jar is a release file of the Minecraft mod Zombie Horse Spawn for Forge, made for Minecraft 1.16.4. It was published on November 4, 2020 and is 0 MB in size. For the full description, screenshots and every other version, visit the Zombie Horse Spawn mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.