ModsFinder

Animal Pens Expansion - Naturalist

by BONNe

Animal Pens Expansion - Naturalist is an addon that lets the mobs of the Naturalist mod live inside Animal Pens, so players can keep and breed them in pens.

FabricForgeNeoForgeClient and serverGNU General Public License v3.0 onlyOpen source1.18.2 – 1.21.1

What it does

Players pick up the supported Naturalist animals with a bucket or an Animal Cage and place them in a pen. Each species is fed with its own food, such as bear tempt items, snake tempt items, apples, flowers, wheat, sugar, hay blocks, golden carrots, melons, boar food, giraffe food, alligator food, lizard tempt items, tortoise tempt items, duck food, bird food or rotten flesh. Alligators, ducks and tortoises produce eggs while they are kept in a pen, and some species gain extra interactions.

Installation requires Animal Pens and Naturalist alongside this addon, on Fabric, Forge or NeoForge. The mod is client and server, so both the server and every player need it. It is open source under the GNU General Public License v3.0 only, and files cover game versions 1.18.2 – 1.21.1 with 1.21.1 as the latest for Fabric and NeoForge and 1.20.1 for Forge.

Key features

  1. Bucket and cage pickup

    Supported animals can be picked up with a bucket or an Animal Cage and moved into a pen.

  2. Species-specific feeding

    Each animal accepts its own tempt items or food, including apples, flowers, melons and rotten flesh.

  3. Egg production

    Alligators, ducks and tortoises produce eggs while penned and fed.

  4. Extra interactions

    Certain species, such as the Coral Snake, add interactions beyond feeding when kept in a pen.

Compatibility

Latest build for each game version and loader.

1.21.16.1.0Not available6.1.0
1.20.15.1.05.1.0Not available
1.19.24.0.04.0.0Not available
1.19.12.0.02.0.0Not available
1.192.0.02.0.0Not available
1.18.21.0.01.0.0Not available
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 2

NaturalistAdds 47 animals *(and 66 variants)* to your world with immersive behaviors and drops.
Required
Animal PensReduce lag and keep your animals neatly stored while maintaining full interactivity!
Required

Use cases

Who it’s for: Players who run Animal Pens and want Naturalist animals inside their pens, and server owners who manage animal enclosures for multiplayer worlds.

How it compares

Full comparison

No Animal Tempt Delay is server-side only and covers the tempt delay for animals rather than pen placement, with files for 1.19.2 – 26.3. Alex's Mobs - Naturalist Compat is client and server, Forge only and not open source, covering 1.18.2 – 1.20.1. SnakePlayer is client and server, open source under the MIT License and spans 1.20.1 – 26.2, so its scope and version range differ from this addon.

ModLoadersGame versionsEnvironmentUpdated
Animal Pens Expansion - NaturalistFabric, Forge and NeoForge1.18.2 – 1.21.1Client and server2026-10-11
No Animal Tempt DelayFabric, Forge, NeoForge and Quilt1.19.2 – 26.3Server-side only2026-10-02
Alex's Mobs - Naturalist CompatForge1.18.2 – 1.20.1Client and server2025-08-22
SnakePlayerFabric, Forge and NeoForge1.20.1 – 26.2Client and server2026-06-20

Questions

Does Animal Pens Expansion - Naturalist need Animal Pens?

Yes. Animal Pens is a required dependency, and Naturalist is required as well. Both must be installed alongside this addon.

Does the server need this mod?

Yes. A server running it needs every connecting player to have it too.

Which loader should be used?

Files are published for Fabric, Forge and NeoForge. The latest Forge file targets 1.20.1, while Fabric and NeoForge have 6.1.0 for 1.21.1.

Which Naturalist animals can be kept in pens?

The addon supports species such as the alligator, lizard, tortoise, duck, bird species, giraffe, boar and Coral Snake, each with its own feeding rules.

In the catalog

Animal Pens Expansion - Naturalist is one of 29,952 Game mechanics mods on ModsFinder, and one of 19,630 Game mechanics mods for Fabric. 32,366 mods support Minecraft 1.21.1.

More from BONNe

All projects

Similar mods

What the author says

This mod is a compatibility addon that allows mobs from Naturalist Lite to work with the pens from Animal Pens, making animal management easier and more consistent. Animal Cage can pick up: - Snail - can be picked up with bucket - Bear - can be fed with bear tempt items and sheared - Snake - can be fed with snake…
BONNe, on the Modrinth page

Official listing

Owner
BONNe
Published
2026-04-22
Updated on Modrinth
2026-10-11
Facts verified
2026-10-15

Tags