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    2,055,424 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,392 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Atmospheric Fauna

    Mod

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

    A94/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AIAI-aided code
    • CompatibilityUp to 26.2
    • ModpacksIn 22
    • ReleasesLatest 24 Aug

    Download

    atmospheric-fauna-0.5.1+26.2.jar

    Released 24 Aug 2026 · 143.6 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Stable releases
    • Public source code and issue tracker

    Points lost

    • First release only 10 months ago−2 points
    • Releases in only 6 of the last 24 months−1 point
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      1 point lost26 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.2 months ago (24 Aug 2026) 12 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.26.2 on Fabric. 72% of the 718 popular Fabric mods updated in the last 6 months also have files for 26.2. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 6 of the last 24 months 5 / 6

    • Stability

      Full points22 / 22
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.2 of the 15 modpacks with two or more versions removed it in a later one (13%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.1 of its 12 releases in 2 years needed a quick fix (8%) 7 / 7
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.None 5 / 5

    • Transparency

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · RealNmS/Atmospheric-Fauna 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · RealNmS/Atmospheric-Fauna 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.36,776 3 / 4

    • Track record

      2 points lost6 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.10 months, 36 releases 6 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 8 latest files for recent Minecraft versions. See Security
    Total94 / 100

    66.6 of the 71 points that apply = 94 out of 100. The points above are rounded to whole numbers.

    Images

    • The definition of Atmospheric Fauna
    • Blue Jays
    • More Blue Jays and crows
    • Crows
    • More Crows
    • Cool Crows
    • Crows perching

    About

    Atmospheric Fauna is a client-side mod that adds particle-based birds to make Minecraft’s world feel less empty while keeping a cozy, vanilla-like atmosphere. Its current birds are Blue Jays, Common Swifts, Crows, and Northern Cardinals, which appear in different biomes and have species-specific flight and flocking patterns. Their behavior varies: some fly alone and others gather in flocks, while birds may avoid nearby players or show curiosity, perch on blocks such as fences, walls, leaves, and flowers, and take off when startled. The species also differ in where and when they spawn: for example, Blue Jays favor forests, taiga, and jungles, while Crows can appear across the Overworld by day or night, including in bad weather. Flight is responsive to the surroundings, with varied heights and smoother flock navigation, and birds can spawn at the edge of render distance to fly into view when that optional setting is enabled. Configuration lets players adjust or disable species spawning, change spawn and flock sizes, and customize other behavior; the mod also provides a command to spawn a chosen bird at the player’s location.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds no new blocks, items or other content.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Often used with it

    See all 30
    LambDynamicLights - Dynamic LightsAMod MenuALithiumAFerriteCoreAFresh AnimationsA

    Details

    Creator
    NmS
    License
    GNU General Public License v3.0 only
    Downloads
    37K
    Created
    6 Jan 2026
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    What it can do on your computer

    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 1 file in your config folder.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · All 9 latest files checked, last on 16 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      9 latest files: the newest file for each Minecraft version and loader. The answer above is about the 8 for recent versions. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · All 8 files read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of all 8 files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    AI was used for its code

    The author declares AI code on Modrinth.

    We looked for AI tools in its description, files and images and found none.

    We have not read its changelogs and code history yet.

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 5 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      Declares AI code. No AI features declared.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Not read yet
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found in the description
      Changelogs not read yet
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
      18 images read
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file
      30 code files read

    Compatibility

    See all 36 files
    Fabric
    1.2126.126.2

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Install it in your game only. Servers do not need it, so you can join any server.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.On average, it gets a file 18 days after a new Minecraft version comes out. Measured on the last 2 Minecraft versions. No file yet for Minecraft 26.3.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Atmospheric Fauna in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    The Stuff of Legend7.2K downloadslast version with it 17 Jun 2026Motherose's Forever World4.4K downloadslast version with it 10 May 2026VANİLİS+ [FABRİC]4.4K downloadslast version with it 22 Apr 2026VictoriaCraft3.9K downloadslast version with it 22 Aug 2026Vanilla Finest2K downloadslast version with it 11 May 2026Optimization Q1.5K downloadslast version with it 6 Aug 2026Chromus Vanilla Plus1.3K downloadslast version with it 11 Oct 2026Shades 'n' Shine697 downloadslast version with it 20 Oct 2026Villager Wake511 downloadslast version with it 29 Jul 2026Version 2.0309 downloadslast version with it 8 Apr 2026
    1 to 10 of 22123

    Often in the same modpacks

    Mods that modpacks often add together with Atmospheric Fauna. Share: how many of the modpacks with Atmospheric Fauna also have that mod.

    ProjectTypeShareGrade
    LambDynamicLights - Dynamic LightsAModin 91% of the modpacks with Atmospheric FaunaMod MenuAModin 91% of the modpacks with Atmospheric FaunaLithiumAModin 91% of the modpacks with Atmospheric FaunaFerriteCoreAModin 86% of the modpacks with Atmospheric FaunaFresh AnimationsAResource packin 86% of the modpacks with Atmospheric FaunaBadOptimizationsAModin 82% of the modpacks with Atmospheric FaunaVisualityAModin 77% of the modpacks with Atmospheric FaunaChat HeadsAModin 64% of the modpacks with Atmospheric FaunaFresh Animations: Player ExtensionAResource packin 59% of the modpacks with Atmospheric FaunaCool RainAModin 55% of the modpacks with Atmospheric Fauna
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    26.2·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+26.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+26.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.11.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.9 to 1.21.10·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.9.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.6 to 1.21.8·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.6.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.5·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.5.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.4·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.4.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21 to 1.21.1·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.21.2 to 1.21.3·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    36 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.2The latest file for its Minecraft version and loader·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+26.2.jar (main file)·24 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 143.6 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+26.1.jar (main file)·24 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 143.6 KB
    1.21.11The latest file for its Minecraft version and loader·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.11.jar (main file)·24 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 143.1 KB
    1.21.9 to 1.21.101.21.9 to 1.21.10The latest file for its Minecraft version and loader·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.9.jar (main file)·24 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 143.1 KB
    1.21.6 to 1.21.81.21.6 to 1.21.8The latest file for its Minecraft version and loader·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.6.jar (main file)·24 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 143.5 KB
    1.21.5The latest file for its Minecraft version and loader·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.5.jar (main file)·24 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 143.5 KB
    1.21.4The latest file for its Minecraft version and loader·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.4.jar (main file)·24 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 143.5 KB
    1.21.2 to 1.21.31.21.2 to 1.21.3The latest file for its Minecraft version and loader·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.2.jar (main file)·24 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 143.5 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·Fabric0.5.10.5.1 · atmospheric-fauna-0.5.1+1.21.jar (main file)·24 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 143.5 KB
    26.2·Fabric0.5.00.5.0 · atmospheric-fauna-0.5.0+26.2.jar (main file)·13 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 137.8 KB
    26.1 to 26.1.226.1 to 26.1.2·Fabric0.5.00.5.0 · atmospheric-fauna-0.5.0+26.1.jar (main file)·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 137.8 KB
    1.21.11·Fabric0.5.00.5.0 · atmospheric-fauna-0.5.0+1.21.11.jar (main file)·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 137.4 KB
    1.21.9 to 1.21.101.21.9 to 1.21.10·Fabric0.5.00.5.0 · atmospheric-fauna-0.5.0+1.21.9.jar (main file)·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 137.4 KB
    1.21.6 to 1.21.81.21.6 to 1.21.8·Fabric0.5.00.5.0 · atmospheric-fauna-0.5.0+1.21.6.jar (main file)·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 137.8 KB
    1.21.5·Fabric0.5.00.5.0 · atmospheric-fauna-0.5.0+1.21.5.jar (main file)·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 137.7 KB
    1.21.4·Fabric0.5.00.5.0 · atmospheric-fauna-0.5.0+1.21.4.jar (main file)·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 137.7 KB
    1.21.2 to 1.21.31.21.2 to 1.21.3·Fabric0.5.00.5.0 · atmospheric-fauna-0.5.0+1.21.2.jar (main file)·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 137.7 KB
    1.21 to 1.21.11.21 to 1.21.1·Fabric0.5.00.5.0 · atmospheric-fauna-0.5.0+1.21.jar (main file)·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 137.7 KB
    26.2·Fabric0.4.00.4.0 · atmospheric-fauna-0.4.0+26.2.jar (main file)·25 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 113.4 KB
    26.1 to 26.1.226.1 to 26.1.2·Fabric0.4.00.4.0 · atmospheric-fauna-0.4.0+26.1.jar (main file)·25 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 113.4 KB
    1 to 20 of 3612

    Quick fixes

    In the last 2 years, 1 release needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.1

    • v0.2.1 [1.21.11]18 Jan 2026…Optimized the flocking data management - Fixed several spawning issues - Fixed some of the spawning…