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Spawn Rules

This documentation is stripped from the vanilla files using an automated script. If there is an issue, please bring it to the authors attention by contacting him on discord: SirLich#1658

Table of contents

minecraft:biome_filter

bat

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "animal"
}

bee

"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "plains"
    },
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "sunflower_plains"
    },
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "flower_forest"
    }
]

chicken

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "animal"
}

cod

"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "ocean"
    },
    {
        "test": "has_biome_tag",
        "operator": "!=",
        "value": "warm"
    }
]

cow

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "animal"
}

creeper

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "monster"
}

dolphin

"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "ocean"
    },
    {
        "test": "has_biome_tag",
        "operator": "!=",
        "value": "frozen"
    }
]

donkey

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "plains"
}

drowned

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "ocean"
}
"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "river"
}

enderman

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "monster"
}
"minecraft:biome_filter": {
    "all_of": [
        {
            "test": "has_biome_tag",
            "operator": "==",
            "value": "nether"
        },
        {
            "test": "has_biome_tag",
            "operator": "==",
            "value": "spawn_endermen"
        }
    ]
}
"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "warped_forest"
}
"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "the_end"
    }
]

fox

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "taiga"
}

ghast

"minecraft:biome_filter": {
    "all_of": [
        {
            "test": "has_biome_tag",
            "operator": "==",
            "value": "nether"
        },
        {
            "test": "has_biome_tag",
            "operator": "==",
            "value": "spawn_ghast"
        }
    ]
}

hoglin

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "crimson_forest"
}

horse

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "plains"
}
"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "savanna"
}

husk

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "desert"
}

llama

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "extreme_hills"
}
"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "savanna"
}

magma_cube

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "spawn_magma_cubes"
}
"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "spawn_many_magma_cubes"
}

mooshroom

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "mooshroom_island"
}

ocelot

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "jungle"
}

panda

"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "jungle"
    },
    {
        "test": "has_biome_tag",
        "operator": "!=",
        "value": "bamboo"
    }
]
"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "bamboo"
}

parrot

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "jungle"
}

phantom

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "monster"
}

pig

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "animal"
}

piglin

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "spawn_piglin"
}
"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "spawn_few_piglins"
}

pillager_patrol

"minecraft:biome_filter": {
    "all_of": [
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "mooshroom_island"
        },
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "nether"
        },
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "the_end"
        }
    ]
}
"minecraft:biome_filter": {
    "all_of": [
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "mooshroom_island"
        },
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "nether"
        },
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "the_end"
        }
    ]
}
"minecraft:biome_filter": {
    "all_of": [
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "mooshroom_island"
        },
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "nether"
        },
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "the_end"
        }
    ]
}

polar_bear

"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "frozen"
    },
    {
        "test": "has_biome_tag",
        "operator": "!=",
        "value": "ocean"
    }
]
"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "frozen"
    },
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "ocean"
    }
]

pufferfish

"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "ocean"
    },
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "warm"
    }
]

rabbit

"minecraft:biome_filter": {
    "any_of": [
        {
            "all_of": [
                {
                    "test": "has_biome_tag",
                    "operator": "==",
                    "value": "taiga"
                },
                {
                    "test": "has_biome_tag",
                    "operator": "!=",
                    "value": "mega"
                }
            ]
        },
        {
            "test": "is_snow_covered",
            "operator": "==",
            "value": true
        },
        {
            "test": "has_biome_tag",
            "operator": "==",
            "value": "desert"
        }
    ]
}
"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "flower_forest"
}

salmon

"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "ocean"
    },
    {
        "test": "has_biome_tag",
        "operator": "!=",
        "value": "warm"
    }
]
"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "river"
    }
]

sheep

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "animal"
}

skeleton

"minecraft:biome_filter": {
    "any_of": [
        {
            "all_of": [
                {
                    "test": "has_biome_tag",
                    "operator": "==",
                    "value": "monster"
                },
                {
                    "test": "has_biome_tag",
                    "operator": "!=",
                    "value": "frozen"
                }
            ]
        },
        {
            "test": "has_biome_tag",
            "operator": "==",
            "value": "soulsand_valley"
        }
    ]
}

slime

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "monster"
}
"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "swamp"
}

spider

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "monster"
}

squid

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "ocean"
}
"minecraft:biome_filter": {
    "any_of": [
        {
            "test": "has_biome_tag",
            "operator": "==",
            "value": "river"
        }
    ]
}

stray

"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "frozen"
    },
    {
        "test": "has_biome_tag",
        "operator": "!=",
        "value": "ocean"
    }
]
"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "frozen"
    },
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "ocean"
    }
]

strider

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "nether"
}

tropicalfish

"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "ocean"
    },
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "warm"
    }
]
"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "ocean"
    },
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "warm"
    }
]

turtle

"minecraft:biome_filter": [
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "beach"
    },
    {
        "test": "has_biome_tag",
        "operator": "==",
        "value": "warm"
    }
]

witch

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "monster"
}

wolf

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "taiga"
}
"minecraft:biome_filter": {
    "all_of": [
        {
            "test": "has_biome_tag",
            "operator": "==",
            "value": "forest"
        },
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "mutated"
        },
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "birch"
        },
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "roofed"
        },
        {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "mountain"
        }
    ]
}

zombie

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "monster"
}

zombie_pigman

"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "spawn_zombified_piglin"
}
"minecraft:biome_filter": {
    "test": "has_biome_tag",
    "operator": "==",
    "value": "spawn_few_zombified_piglins"
}

minecraft:brightness_filter

bat

"minecraft:brightness_filter": {
    "min": 0,
    "max": 4,
    "adjust_for_weather": true
}

bee

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

chicken

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

cow

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

creeper

"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}

donkey

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

drowned

"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}
"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}

enderman

"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}
"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}

fox

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

horse

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}
"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

husk

"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}

llama

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}
"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

mooshroom

"minecraft:brightness_filter": {
    "min": 9,
    "max": 15,
    "adjust_for_weather": false
}

ocelot

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

panda

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}
"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

parrot

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

phantom

"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}

pig

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

pillager_patrol

"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": false
}
"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": false
}
"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": false
}

polar_bear

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}
"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

rabbit

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}
"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

sheep

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

skeleton

"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}

spider

"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}

stray

"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}
"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}

turtle

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

witch

"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}

wolf

"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}
"minecraft:brightness_filter": {
    "min": 7,
    "max": 15,
    "adjust_for_weather": false
}

zombie

"minecraft:brightness_filter": {
    "min": 0,
    "max": 7,
    "adjust_for_weather": true
}

minecraft:delay_filter

pillager_patrol

"minecraft:delay_filter": {
    "min": 600,
    "max": 660,
    "identifier": "minecraft:pillager_patrol_easy",
    "spawn_chance": 20
}
"minecraft:delay_filter": {
    "min": 600,
    "max": 660,
    "identifier": "minecraft:pillager_patrol_normal",
    "spawn_chance": 20
}
"minecraft:delay_filter": {
    "min": 600,
    "max": 660,
    "identifier": "minecraft:pillager_patrol_hard",
    "spawn_chance": 20
}

minecraft:density_limit

bat

"minecraft:density_limit": {
    "surface": 5
}

cod

"minecraft:density_limit": {
    "surface": 20
}

creeper

"minecraft:density_limit": {
    "surface": 5
}

dolphin

"minecraft:density_limit": {
    "surface": 5,
    "underground": 0
}

drowned

"minecraft:density_limit": {
    "surface": 5
}
"minecraft:density_limit": {
    "surface": 2
}

ghast

"minecraft:density_limit": {
    "surface": 0,
    "underground": 2
}

phantom

"minecraft:density_limit": {
    "surface": 5
}

pufferfish

"minecraft:density_limit": {
    "surface": 3
}

salmon

"minecraft:density_limit": {
    "surface": 10
}
"minecraft:density_limit": {
    "surface": 4
}

squid

"minecraft:density_limit": {
    "surface": 4
}
"minecraft:density_limit": {
    "surface": 2
}

strider

"minecraft:density_limit": {
    "surface": 3
}

tropicalfish

"minecraft:density_limit": {
    "surface": 20
}
"minecraft:density_limit": {
    "surface": 20
}

minecraft:difficulty_filter

creeper

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

drowned

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}
"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

enderman

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}
"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}
"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

ghast

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

hoglin

"minecraft:difficulty_filter": {
    "min": "peaceful",
    "max": "hard"
}

husk

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

magma_cube

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}
"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

phantom

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

piglin

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}
"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

pillager_patrol

"minecraft:difficulty_filter": {
    "max": "easy"
}
"minecraft:difficulty_filter": {
    "min": "normal",
    "max": "normal"
}
"minecraft:difficulty_filter": {
    "min": "hard"
}

skeleton

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

slime

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}
"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

spider

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

stray

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}
"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

strider

"minecraft:difficulty_filter": {
    "min": "peaceful",
    "max": "hard"
}

witch

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

zombie

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

zombie_pigman

"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}
"minecraft:difficulty_filter": {
    "min": "easy",
    "max": "hard"
}

minecraft:distance_filter

cod

"minecraft:distance_filter": {
    "min": 12,
    "max": 32
}

pillager_patrol

"minecraft:distance_filter": {
    "min": 24,
    "max": 48
}
"minecraft:distance_filter": {
    "min": 24,
    "max": 48
}
"minecraft:distance_filter": {
    "min": 24,
    "max": 48
}

pufferfish

"minecraft:distance_filter": {
    "min": 12,
    "max": 32
}

salmon

"minecraft:distance_filter": {
    "min": 12,
    "max": 32
}
"minecraft:distance_filter": {
    "min": 12,
    "max": 32
}

tropicalfish

"minecraft:distance_filter": {
    "min": 12,
    "max": 32
}
"minecraft:distance_filter": {
    "min": 12,
    "max": 32
}

minecraft:height_filter

bat

"minecraft:height_filter": {
    "min": 0,
    "max": 63
}

stray

"minecraft:height_filter": {
    "min": 60,
    "max": 66
}

turtle

"minecraft:height_filter": {
    "min": 60,
    "max": 67
}

minecraft:herd

bat

"minecraft:herd": {
    "min_size": 2,
    "max_size": 2
}

bee

"minecraft:herd": {
    "min_size": 1,
    "max_size": 1
}

chicken

"minecraft:herd": {
    "min_size": 2,
    "max_size": 4
}

cod

"minecraft:herd": {
    "min_size": 4,
    "max_size": 7
}

cow

"minecraft:herd": {
    "min_size": 2,
    "max_size": 3
}

dolphin

"minecraft:herd": {
    "min_size": 3,
    "max_size": 5
}

donkey

"minecraft:herd": {
    "min_size": 2,
    "max_size": 6
}

drowned

"minecraft:herd": {
    "min_size": 2,
    "max_size": 4
}
"minecraft:herd": {
    "min_size": 2,
    "max_size": 4
}

enderman

"minecraft:herd": {
    "min_size": 1,
    "max_size": 2
}
"minecraft:herd": {
    "min_size": 1,
    "max_size": 1
}
"minecraft:herd": {
    "min_size": 1,
    "max_size": 1
}
"minecraft:herd": {
    "min_size": 4,
    "max_size": 4
}

fox

"minecraft:herd": {
    "min_size": 2,
    "max_size": 4,
    "event": "minecraft:entity_born",
    "event_skip_count": 2
}

hoglin

"minecraft:herd": {
    "min_size": 4,
    "max_size": 4
}

horse

"minecraft:herd": [
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_white"
    },
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_creamy"
    },
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_chestnut"
    },
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_brown"
    },
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_black"
    },
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_gray"
    },
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_darkbrown"
    }
]
"minecraft:herd": [
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_white"
    },
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_creamy"
    },
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_chestnut"
    },
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_brown"
    },
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_black"
    },
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_gray"
    },
    {
        "min_size": 2,
        "max_size": 6,
        "event": "minecraft:make_darkbrown"
    }
]

husk

"minecraft:herd": {
    "min_size": 2,
    "max_size": 4
}

llama

"minecraft:herd": {
    "min_size": 4,
    "max_size": 6
}
"minecraft:herd": {
    "min_size": 4,
    "max_size": 4
}

magma_cube

"minecraft:herd": {
    "min_size": 1,
    "max_size": 4
}
"minecraft:herd": {
    "min_size": 2,
    "max_size": 5
}

mooshroom

"minecraft:herd": {
    "min_size": 4,
    "max_size": 8
}

ocelot

"minecraft:herd": {
    "min_size": 1,
    "max_size": 2
}

panda

"minecraft:herd": {
    "min_size": 1,
    "max_size": 2
}
"minecraft:herd": {
    "min_size": 1,
    "max_size": 2
}

parrot

"minecraft:herd": {
    "min_size": 1,
    "max_size": 2
}

pig

"minecraft:herd": {
    "min_size": 1,
    "max_size": 3
}

piglin

"minecraft:herd": {
    "min_size": 2,
    "max_size": 4
}
"minecraft:herd": {
    "min_size": 4,
    "max_size": 4
}

pillager_patrol

"minecraft:herd": {
    "min_size": 2,
    "max_size": 5,
    "initial_event": "minecraft:promote_to_patrol_captain",
    "initial_event_count": 1,
    "event": "minecraft:spawn_as_patrol_follower",
    "event_skip_count": 1
}
"minecraft:herd": {
    "min_size": 2,
    "max_size": 5,
    "initial_event": "minecraft:promote_to_patrol_captain",
    "initial_event_count": 1,
    "event": "minecraft:spawn_as_patrol_follower",
    "event_skip_count": 1
}
"minecraft:herd": {
    "min_size": 2,
    "max_size": 5,
    "initial_event": "minecraft:promote_to_patrol_captain",
    "initial_event_count": 1,
    "event": "minecraft:spawn_as_patrol_follower",
    "event_skip_count": 1
}

polar_bear

"minecraft:herd": {
    "min_size": 1,
    "max_size": 2,
    "event": "minecraft:entity_born",
    "event_skip_count": 1
}
"minecraft:herd": {
    "min_size": 1,
    "max_size": 2,
    "event": "minecraft:entity_born",
    "event_skip_count": 1
}

pufferfish

"minecraft:herd": {
    "min_size": 3,
    "max_size": 5
}

rabbit

"minecraft:herd": {
    "min_size": 2,
    "max_size": 3
}
"minecraft:herd": {
    "min_size": 2,
    "max_size": 4
}

salmon

"minecraft:herd": {
    "min_size": 3,
    "max_size": 5
}
"minecraft:herd": {
    "min_size": 3,
    "max_size": 5
}

sheep

"minecraft:herd": {
    "min_size": 2,
    "max_size": 3
}

skeleton

"minecraft:herd": {
    "min_size": 1,
    "max_size": 2
}

squid

"minecraft:herd": {
    "min_size": 2,
    "max_size": 4
}
"minecraft:herd": {
    "min_size": 2,
    "max_size": 4
}

stray

"minecraft:herd": {
    "min_size": 1,
    "max_size": 2
}
"minecraft:herd": {
    "min_size": 1,
    "max_size": 2
}

strider

"minecraft:herd": {
    "min_size": 2,
    "max_size": 4
}

tropicalfish

"minecraft:herd": [
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_anenonme"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_black_tang"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_blue_dory"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_butterfly_fish"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_cichlid"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_clownfish"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_cc_betta"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_dog_fish"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_e_red_snapper"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_goat_fish"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_moorish_idol"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_ornate_butterfly"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_parrot_fish"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_queen_angel_fish"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_red_cichlid"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_red_lipped_benny"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_red_snapper"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_threadfin"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_tomato_clown"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_triggerfish"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_yellow_tang"
    },
    {
        "min_size": 3,
        "max_size": 5,
        "event": "minecraft:become_yellow_tail_parrot"
    }
]
"minecraft:herd": {
    "min_size": 1,
    "max_size": 3
}

turtle

"minecraft:herd": {
    "min_size": 2,
    "max_size": 6
}

wolf

"minecraft:herd": {
    "min_size": 4,
    "max_size": 4
}
"minecraft:herd": {
    "min_size": 4,
    "max_size": 4
}

zombie

"minecraft:herd": {
    "min_size": 2,
    "max_size": 4
}

zombie_pigman

"minecraft:herd": {
    "min_size": 2,
    "max_size": 4
}
"minecraft:herd": {
    "min_size": 2,
    "max_size": 4
}

minecraft:mob_event_filter

pillager_patrol

"minecraft:mob_event_filter": {
    "event": "minecraft:pillager_patrols_event"
}
"minecraft:mob_event_filter": {
    "event": "minecraft:pillager_patrols_event"
}
"minecraft:mob_event_filter": {
    "event": "minecraft:pillager_patrols_event"
}

minecraft:permute_type

"minecraft:permute_type": [
    {
        "weight": 100,
        "entity_type": "minecraft:pillager<minecraft:spawn_as_patrol_follower>"
    }
]
"minecraft:permute_type": [
    {
        "weight": 100,
        "entity_type": "minecraft:pillager<minecraft:spawn_as_patrol_follower>"
    }
]
"minecraft:permute_type": [
    {
        "weight": 80,
        "entity_type": "minecraft:pillager<minecraft:spawn_as_patrol_follower>"
    },
    {
        "weight": 20,
        "entity_type": "minecraft:vindicator"
    }
]

zombie

"minecraft:permute_type": [
    {
        "weight": 95
    },
    {
        "weight": 5,
        "entity_type": "minecraft:zombie_villager_v2"
    }
]

minecraft:player_in_village_filter

pillager_patrol

"minecraft:player_in_village_filter": {
    "distance": 48,
    "village_border_tolerance": 32
}
"minecraft:player_in_village_filter": {
    "distance": 48,
    "village_border_tolerance": 32
}
"minecraft:player_in_village_filter": {
    "distance": 48,
    "village_border_tolerance": 32
}

minecraft:spawn_event

stray

"minecraft:spawn_event": {
    "event": "change_to_skeleton"
}
"minecraft:spawn_event": {
    "event": "change_to_skeleton"
}

minecraft:spawns_lava

strider

"minecraft:spawns_lava": {}

minecraft:spawns_on_block_filter

chicken

"minecraft:spawns_on_block_filter": "minecraft:grass"

cow

"minecraft:spawns_on_block_filter": "minecraft:grass"

donkey

"minecraft:spawns_on_block_filter": "minecraft:grass"

horse

"minecraft:spawns_on_block_filter": "minecraft:grass"
"minecraft:spawns_on_block_filter": "minecraft:grass"

llama

"minecraft:spawns_on_block_filter": "minecraft:grass"
"minecraft:spawns_on_block_filter": "minecraft:grass"

ocelot

"minecraft:spawns_on_block_filter": "minecraft:grass"

panda

"minecraft:spawns_on_block_filter": "minecraft:grass"
"minecraft:spawns_on_block_filter": "minecraft:grass"

parrot

"minecraft:spawns_on_block_filter": "minecraft:grass"

pig

"minecraft:spawns_on_block_filter": "minecraft:grass"

polar_bear

"minecraft:spawns_on_block_filter": "minecraft:ice"
"minecraft:spawns_on_block_filter": "minecraft:ice"

rabbit

"minecraft:spawns_on_block_filter": [
    "minecraft:grass",
    "minecraft:snow",
    "minecraft:sand"
]
"minecraft:spawns_on_block_filter": [
    "minecraft:grass",
    "minecraft:snow",
    "minecraft:sand"
]

sheep

"minecraft:spawns_on_block_filter": "minecraft:grass"

turtle

"minecraft:spawns_on_block_filter": "minecraft:sand"

wolf

"minecraft:spawns_on_block_filter": [
    "minecraft:grass",
    "minecraft:podzol",
    "minecraft:dirt"
]
"minecraft:spawns_on_block_filter": "minecraft:grass"

minecraft:spawns_on_block_prevented_filter

hoglin

"minecraft:spawns_on_block_prevented_filter": [
    "minecraft:nether_wart_block",
    "minecraft:shroomlight"
]

magma_cube

"minecraft:spawns_on_block_prevented_filter": [
    "minecraft:nether_wart_block",
    "minecraft:shroomlight"
]
"minecraft:spawns_on_block_prevented_filter": [
    "minecraft:nether_wart_block",
    "minecraft:shroomlight"
]

piglin

"minecraft:spawns_on_block_prevented_filter": [
    "minecraft:nether_wart_block",
    "minecraft:shroomlight"
]
"minecraft:spawns_on_block_prevented_filter": [
    "minecraft:nether_wart_block",
    "minecraft:shroomlight_block"
]

skeleton

"minecraft:spawns_on_block_prevented_filter": [
    "minecraft:nether_wart_block",
    "minecraft:shroomlight"
]

zombie_pigman

"minecraft:spawns_on_block_prevented_filter": [
    "minecraft:nether_wart_block",
    "minecraft:shroomlight"
]
"minecraft:spawns_on_block_prevented_filter": [
    "minecraft:nether_wart_block",
    "minecraft:shroomlight"
]

minecraft:spawns_on_surface

bee

"minecraft:spawns_on_surface": {}

chicken

"minecraft:spawns_on_surface": {}

cod

"minecraft:spawns_on_surface": {}

cow

"minecraft:spawns_on_surface": {}

creeper

"minecraft:spawns_on_surface": {}

dolphin

"minecraft:spawns_on_surface": {}

donkey

"minecraft:spawns_on_surface": {}

drowned

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

enderman

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

fox

"minecraft:spawns_on_surface": {}

horse

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

husk

"minecraft:spawns_on_surface": {}

llama

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

mooshroom

"minecraft:spawns_on_surface": {}

ocelot

"minecraft:spawns_on_surface": {}

panda

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

parrot

"minecraft:spawns_on_surface": {}

phantom

"minecraft:spawns_on_surface": {}

pig

"minecraft:spawns_on_surface": {}

pillager_patrol

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

polar_bear

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

pufferfish

"minecraft:spawns_on_surface": {}

rabbit

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

salmon

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

sheep

"minecraft:spawns_on_surface": {}

skeleton

"minecraft:spawns_on_surface": {}

slime

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

spider

"minecraft:spawns_on_surface": {}

squid

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

stray

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

tropicalfish

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

turtle

"minecraft:spawns_on_surface": {}

witch

"minecraft:spawns_on_surface": {}

wolf

"minecraft:spawns_on_surface": {}
"minecraft:spawns_on_surface": {}

zombie

"minecraft:spawns_on_surface": {}

minecraft:spawns_underground

bat

"minecraft:spawns_underground": {}

creeper

"minecraft:spawns_underground": {}

enderman

"minecraft:spawns_underground": {}
"minecraft:spawns_underground": {}
"minecraft:spawns_underground": {}

ghast

"minecraft:spawns_underground": {}

hoglin

"minecraft:spawns_underground": {}

magma_cube

"minecraft:spawns_underground": {}
"minecraft:spawns_underground": {}

piglin

"minecraft:spawns_underground": {}
"minecraft:spawns_underground": {}

skeleton

"minecraft:spawns_underground": {}

slime

"minecraft:spawns_underground": {}
"minecraft:spawns_underground": {}

spider

"minecraft:spawns_underground": {}

stray

"minecraft:spawns_underground": {}

strider

"minecraft:spawns_underground": {}

witch

"minecraft:spawns_underground": {}

zombie_pigman

"minecraft:spawns_underground": {}
"minecraft:spawns_underground": {}

minecraft:spawns_underwater

cod

"minecraft:spawns_underwater": {}

dolphin

"minecraft:spawns_underwater": {}

drowned

"minecraft:spawns_underwater": {}
"minecraft:spawns_underwater": {}

guardian

"minecraft:spawns_underwater": {}

pufferfish

"minecraft:spawns_underwater": {}

salmon

"minecraft:spawns_underwater": {}
"minecraft:spawns_underwater": {}

squid

"minecraft:spawns_underwater": {}
"minecraft:spawns_underwater": {}

tropicalfish

"minecraft:spawns_underwater": {}
"minecraft:spawns_underwater": {}

minecraft:weight

bat

"minecraft:weight": {
    "default": 10
}

bee

"minecraft:weight": {
    "default": 10
}

chicken

"minecraft:weight": {
    "default": 10
}

cod

"minecraft:weight": {
    "default": 75
}

cow

"minecraft:weight": {
    "default": 8
}

creeper

"minecraft:weight": {
    "default": 100
}

dolphin

"minecraft:weight": {
    "default": 7
}

donkey

"minecraft:weight": {
    "default": 1
}

drowned

"minecraft:weight": {
    "default": 100
}
"minecraft:weight": {
    "default": 5
}

enderman

"minecraft:weight": {
    "default": 10
}
"minecraft:weight": {
    "default": 6
}
"minecraft:weight": {
    "default": 10
}
"minecraft:weight": {
    "default": 10
}

fox

"minecraft:weight": {
    "default": 8
}

ghast

"minecraft:weight": {
    "default": 40
}

hoglin

"minecraft:weight": {
    "default": 20
}

horse

"minecraft:weight": {
    "default": 4
}
"minecraft:weight": {
    "default": 1
}

husk

"minecraft:weight": {
    "default": 240
}

llama

"minecraft:weight": {
    "default": 5
}
"minecraft:weight": {
    "default": 8
}

magma_cube

"minecraft:weight": {
    "default": 10
}
"minecraft:weight": {
    "default": 100
}

mooshroom

"minecraft:weight": {
    "default": 8
}

ocelot

"minecraft:weight": {
    "default": 30
}

panda

"minecraft:weight": {
    "default": 10
}
"minecraft:weight": {
    "default": 40
}

parrot

"minecraft:weight": {
    "default": 40
}

phantom

"minecraft:weight": {
    "default": 100
}

pig

"minecraft:weight": {
    "default": 10
}

piglin

"minecraft:weight": {
    "default": 5
}
"minecraft:weight": {
    "default": 15
}

polar_bear

"minecraft:weight": {
    "default": 1
}
"minecraft:weight": {
    "default": 5
}

pufferfish

"minecraft:weight": {
    "default": 25
}

rabbit

"minecraft:weight": {
    "default": 4
}
"minecraft:weight": {
    "default": 20
}

salmon

"minecraft:weight": {
    "default": 26
}
"minecraft:weight": {
    "default": 16
}

sheep

"minecraft:weight": {
    "default": 12
}

skeleton

"minecraft:weight": {
    "default": 80
}

slime

"minecraft:weight": {
    "default": 100
}
"minecraft:weight": {
    "default": 100
}

spider

"minecraft:weight": {
    "default": 100
}

squid

"minecraft:weight": {
    "default": 8
}
"minecraft:weight": {
    "default": 8
}

stray

"minecraft:weight": {
    "default": 120
}
"minecraft:weight": {
    "default": 120
}

strider

"minecraft:weight": {
    "default": 20
}

tropicalfish

"minecraft:weight": {
    "default": 75
}
"minecraft:weight": {
    "default": 25
}

turtle

"minecraft:weight": {
    "default": 8
}

witch

"minecraft:weight": {
    "default": 5
}

wolf

"minecraft:weight": {
    "default": 8
}
"minecraft:weight": {
    "default": 5
}

zombie

"minecraft:weight": {
    "default": 100
}

zombie_pigman

"minecraft:weight": {
    "default": 100
}
"minecraft:weight": {
    "default": 1
}

minecraft:world_age_filter

pillager_patrol

"minecraft:world_age_filter": {
    "min": 6000
}
"minecraft:world_age_filter": {
    "min": 6000
}
"minecraft:world_age_filter": {
    "min": 6000
}