Modified Jungle Edge

This article describes content that has been officially made unobtainable in Bedrock Edition.

 

It can still be obtained using third-party software. However, this can cause unexpected behavior such as bugs and crashes.

This page describes content that has been removed from Java Edition.

 

This feature was present in earlier versions of Java Edition, but has since been removed.

Modified Jungle Edge

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The modified jungle edge or jungle edge mutated is a rare variant of the jungle edge biome that no longer generates since Caves & Cliffs: Part II, and was removed in Java Edition. Prior to its removal, it was noted for its extreme rarity.

The modified jungle edge featured the same smooth transition and lowered tree density that regular jungle edges had, though with much more mountainous terrain and occasional overhangs, like the modified jungle. Ocelots, parrots, and pandas spawned in this biome, but jungle pyramids didn't generate here. In Bedrock Edition, some bamboo plants generated here.

The modified jungle edge generated only in strict conditions, and it was the rarest biome in the game.

If a jungle biome bordered a rare swamp hills biome,^[1] then the modified jungle edge spawned as part of a double-layered transition, with a thin regular jungle edge bordering the swamp hills, and the modified jungle edge bordering the jungle. As both jungles and swamp hills were already rare, and even more rarely did they generate bordering each other, the conditions for a modified jungle edge to generate were extremely rarely met.

When they actually did manage to generate, they were often just a few hundred blocks in length, but in some cases were less than 10 blocks, making them one of the smallest biomes as well, covering only a few millionths (0.00027%) of the Overworld by area.

In Bedrock Edition, modified jungle edges in older worlds still received updates. When generated through single biome or behavior packs, they can also generate new blocks.

The modified jungle edge appears the same as the current sparse jungle, with warm animal variants and rusty wolves. The bamboo no longer generates, and no jungle music tracks play.

With Vibrant Visuals, modified jungle edges use a strong humid volumetric fog setting, which fades the distance in an orange tint. Modified jungle edges use warmish and color grading, which makes the biome look more humid and warm. The night sky is slightly brighter and moonlight colored more vibrant blue.

Modified jungle edges use the same mob spawning chances as sparse jungles.

The following mobs spawn naturally here:

In Java Edition

Mob	Spawn weight	Group size
Creature category
Sheep	12⁄50	4
Pig	10⁄50	4
Chicken	10⁄50	4
Cow	8⁄50	4
Chicken	10⁄50	4
Monster category
Spider	100⁄515	4
Zombie	95⁄515	4
Zombie Villager	5⁄515	1
Skeleton	100⁄515	4
Creeper	100⁄515	4
Slime[note 1]	100⁄515	4
Enderman	10⁄515	1–4
Witch	5⁄515	1
Ambient category
Bat	1	8

{ "hasNotes": true, "notes": { "Slime": "Spawn attempt succeeds only in slime chunks." }, "1": { "totalWeight": 50, "mobs": [ { "size": "4", "mob": "Sheep", "weight": 12 }, { "size": "4", "mob": "Pig", "weight": 10 }, { "size": "4", "mob": "Chicken", "weight": 10 }, { "size": "4", "mob": "Cow", "weight": 8 }, { "size": "4", "mob": "Chicken", "weight": 10 } ], "category": "passive" }, "2": { "totalWeight": 515, "mobs": [ { "size": "4", "mob": "Spider", "weight": 100 }, { "size": "4", "mob": "Zombie", "weight": 95 }, { "size": "1", "mob": "Zombie Villager", "weight": 5 }, { "size": "4", "mob": "Skeleton", "weight": 100 }, { "size": "4", "mob": "Creeper", "weight": 100 }, { "note": "Spawn attempt succeeds only in slime chunks.", "mob": "Slime", "weight": 100, "notename": "Slime", "size": "4" }, { "size": "1-4", "mob": "Enderman", "weight": 10 }, { "size": "1", "mob": "Witch", "weight": 5 } ], "category": "hostile" }, "3": { "totalWeight": 10, "mobs": [ { "size": "8", "mob": "Bat", "weight": 10 } ], "category": "ambient" } }

In Bedrock Edition

Mob	Spawn weight	Group size
Monster category
Creeper	100	1
Slime[note 1]	100	1
Spider	100	1
Zombie	95	2–4
Skeleton	80	1–2
Enderman	10	1–2
Witch	5	1
Zombie Villager	5	2–4
Creature category
Parrot	40	1–2
Ocelot	30	1–2
Sheep	12	2–3
Warm Chicken	10	2–4
Glow Squid	10	2–4
Panda	10	1–2
Warm Pig	10	1–3
Warm Cow	8	2–3
Rusty Wolf	8	2–4
Ambient category
Bat	1	2

{ "hasNotes": true, "notes": { "Slime": "Spawn attempt succeeds only in slime chunks." }, "1": { "totalWeight": 495, "mobs": [ { "size": "1", "mob": "Creeper", "weight": 100 }, { "note": "Spawn attempt succeeds only in slime chunks.", "mob": "Slime", "weight": 100, "notename": "Slime", "size": "1" }, { "size": "1", "mob": "Spider", "weight": 100 }, { "size": "2-4", "mob": "Zombie", "weight": 95 }, { "size": "1-2", "mob": "Skeleton", "weight": 80 }, { "size": "1-2", "mob": "Enderman", "weight": 10 }, { "size": "1", "mob": "Witch", "weight": 5 }, { "size": "2-4", "mob": "Zombie Villager", "weight": 5 } ], "category": "monster" }, "2": { "totalWeight": 138, "mobs": [ { "size": "1-2", "mob": "Parrot", "weight": 40 }, { "size": "1-2", "mob": "Ocelot", "weight": 30 }, { "size": "2-3", "mob": "Sheep", "weight": 12 }, { "size": "2-4", "mob": "Warm Chicken", "weight": 10 }, { "size": "2-4", "mob": "Glow Squid", "weight": 10 }, { "size": "1-2", "mob": "Panda", "weight": 10 }, { "size": "1-3", "mob": "Warm Pig", "weight": 10 }, { "size": "2-3", "mob": "Warm Cow", "weight": 8 }, { "size": "2-4", "mob": "Rusty Wolf", "weight": 8 } ], "category": "creature" }, "3": { "totalWeight": 10, "mobs": [ { "size": "2", "mob": "Bat", "weight": 10 } ], "category": "ambient" } }

Bedrock Edition:

Name	Identifier	Numeric ID
[No displayed name]	jungle_edge_mutated	151

Issues relating to "Jungle Edge Mutated" are maintained on the bug tracker. Issues should be reported and viewed there.

• 
  A modified jungle edge in Java Edition.
• 
  A very small modified jungle edge in Bedrock Edition.
• 
  A modified jungle edge in Bedrock Edition. The swamp hills in the background have very rough terrain.
• 
  A modified jungle edge in Java Edition. Only the mountain on the right side of the river is part of this biome.
• 
  A modified jungle edge single biome world.
• 
  A modified jungle edge with ray tracing.

• Sparse Jungle
• Modified Jungle
• Jungle
• Swamp Hills
• Biome/Before 1.18