Atmospheric Fauna

Atmospheric Fauna

Minecraft mod that adds birds and other fauna making your world feel alive.

by
4.0K Downloads
fabricadventuredecorationmobs
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Screenshots

Crows
More Crows
Cool Crows
Crows perching

About this Mod

Atmospheric Fauna Logo

Minecraft mod that adds birds and other fauna making your world feel alive. Hugely inspired by the amazing mod Cosy Critters & Creepy Crawlies.

Linktree Ko--fi GitHub Modrinth Downloads CurseForge Downloads

WARNING!
This mod is currently in early development. A lot of features might be missing or be buggy. Please be patient, as I don't have a lot of free time, and report any issues you find!


Description

Atmospheric Fauna is a Fabric mod which I created just to fix the lonely atmosphere of Minecraft. I decided to add (inspired by Cosy Critters & Creepy Crawlies) particle based birds that can fly around and interact with the world. The birds will all spawn in different biomes and have different behaviors. Some will like to be alone and some will like to be in flocks. Some will be scared of players and some will be curious. I want the mod to feel alive and dynamic, so the birds will react to the environment and the player in different ways.

My plan right now is to build a solid foundation for the mod, so I can easily add as many birds in the future as I want. So far I've used crows as a base bird, but later on I plan on adding a vultures and maybe some smaller birds like sparrows or robins. I'm also using this as a way to learn about modding and coding in Java, because it's something I've wanted to learn for a long time (also I might learn some pixel art as well).


Birds

Crows Can spawn in any Overworld biome. Can only spawn on dirt, leaves, logs, sand, snow, and stone blocks. They spawn in flocks of 3-9 birds. Will fly away if the player gets too close. Their behaviour is still work in progress.

Selection of photos: Crows

More birds will be added in the future!


Installation

Just make sure you have the latest version of Fabric Loader and Fabric API installed.

For the best experience I recommend using this alongside with ModMenu and Cloth Config to be able to customize the mod to your liking.


Contributing

I welcome all contributions!
If you have feedback, bug reports, or improvements:

  • Open an issue on GitHub
  • Submit a pull request
  • Share and star the project ⭐

Available Versions

v0.2.3 [1.21.11]release
MC 1.21.11fabric
April 15, 2026
v0.2.3 [26.1]release
MC 26.1fabric
March 29, 2026
v0.2.2 [1.21.11]release
MC 1.21.11fabric
February 5, 2026
v0.2.1 [1.21.11]release
MC 1.21.11fabric
January 18, 2026
v0.2.0 [1.21.11]release
MC 1.21.11fabric
January 16, 2026

How to Install Atmospheric Fauna on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (26.1).

3

Install Mod

Open the mod browser in the dashboard and search for "Atmospheric Fauna". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

26.1, 1.21.11

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Atmospheric Fauna server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (26.1). You can switch loaders with one click in the panel.

Is Atmospheric Fauna compatible with fabric?

Atmospheric Fauna officially supports fabric for Minecraft 26.1, 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Atmospheric Fauna – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Atmospheric Fauna consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

Rent Modded Server

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Recommended RAM
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Min. 3 GB | +1 GB pro 8 Spieler
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Details

License
GNU General Public License v3.0 only
Server-side
Required

Supported Versions

26.11.21.11