Menagerie 2.0: The Past Pups Update is a release file of the Minecraft data pack Menagerie: Earth Mob Variants and More!, made for Minecraft 1.21.5-Snapshot. It was published on January 14, 2025 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Menagerie: Earth Mob Variants and More! data pack page.
How to install: Put the .zip into the datapacks folder of your world (.minecraft/saves/<world>/datapacks) and run /reload. No mods needed.