diff --git a/mods/ENTITIES/mcl_mobs/spawning.lua b/mods/ENTITIES/mcl_mobs/spawning.lua
index 40c9ee7a9..515dbaf3d 100644
--- a/mods/ENTITIES/mcl_mobs/spawning.lua
+++ b/mods/ENTITIES/mcl_mobs/spawning.lua
@@ -142,8 +142,6 @@ Overworld regular:
 "SunflowerPlains",
 "IcePlains",
 "RoofedForest",
-
-I have no idea:
 "ExtremeHills+_snowtop",
 "MesaPlateauFM_grasstop",
 "JungleEdgeM",
@@ -252,7 +250,7 @@ local spawn_dictionary = {
 
 function mobs:spawn_specific(name, dimension, type_of_spawning, biomes, min_light, max_light, interval, chance, aoc, min_height, max_height, day_toggle, on_spawn)
 
-	print(dump(bimoes))
+	print(dump(biomes))
 
 	-- Do mobs spawn at all?
 	if not mobs_spawn then
@@ -543,7 +541,7 @@ local function decypher_limits(posy)
 	posy = math.floor(posy)
 	return posy - 32, posy + 32
 end
-
+--[[
 minetest.register_on_mods_loaded(function()
 	for _,data in pairs(minetest.registered_biomes) do
 		print(data.name)
@@ -551,6 +549,7 @@ minetest.register_on_mods_loaded(function()
 
     print(dump(spawn_dictionary))
 end)
+]]--
 
 --todo mob limiting
 --MAIN LOOP
diff --git a/mods/ENTITIES/mobs_mc/bat.lua b/mods/ENTITIES/mobs_mc/bat.lua
index b6825bbbf..a525f5583 100644
--- a/mods/ENTITIES/mobs_mc/bat.lua
+++ b/mods/ENTITIES/mobs_mc/bat.lua
@@ -64,7 +64,81 @@ else
 end
 
 -- Spawn on solid blocks at or below Sea level and the selected light level
-mobs:spawn_specific("mobs_mc:bat", "overworld", "air", 0, maxlight, 20, 5000, 2, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.water-1)
+mobs:spawn_specific(
+"mobs_mc:bat",
+"overworld",
+"air",
+{
+"FlowerForest_underground",
+"JungleEdge_underground",
+"StoneBeach_underground",
+"MesaBryce_underground",
+"Mesa_underground",
+"RoofedForest_underground",
+"Jungle_underground",
+"Swampland_underground",
+"MushroomIsland_underground",
+"BirchForest_underground",
+"Plains_underground",
+"MesaPlateauF_underground",
+"ExtremeHills_underground",
+"MegaSpruceTaiga_underground",
+"BirchForestM_underground",
+"SavannaM_underground",
+"MesaPlateauFM_underground",
+"Desert_underground",
+"Savanna_underground",
+"Forest_underground",
+"SunflowerPlains_underground",
+"ColdTaiga_underground",
+"IcePlains_underground",
+"IcePlainsSpikes_underground",
+"MegaTaiga_underground",
+"Taiga_underground",
+"ExtremeHills+_underground",
+"JungleM_underground",
+"ExtremeHillsM_underground",
+"JungleEdgeM_underground",
+"Mesa",
+"FlowerForest",
+"Swampland",
+"Taiga",
+"ExtremeHills",
+"Jungle",
+"Savanna",
+"BirchForest",
+"MegaSpruceTaiga",
+"MegaTaiga",
+"ExtremeHills+",
+"Forest",
+"Plains",
+"Desert",
+"ColdTaiga",
+"MushroomIsland",
+"IcePlainsSpikes",
+"SunflowerPlains",
+"IcePlains",
+"RoofedForest",
+"ExtremeHills+_snowtop",
+"MesaPlateauFM_grasstop",
+"JungleEdgeM",
+"ExtremeHillsM",
+"JungleM",
+"BirchForestM",
+"MesaPlateauF",
+"MesaPlateauFM",
+"MesaPlateauF_grasstop",
+"MesaBryce",
+"JungleEdge",
+"SavannaM",
+},
+0,
+maxlight,
+20,
+5000,
+2,
+mobs_mc.spawn_height.overworld_min,
+mobs_mc.spawn_height.water-1)
 
 
 -- spawn eggs
diff --git a/mods/ENTITIES/mobs_mc/blaze.lua b/mods/ENTITIES/mobs_mc/blaze.lua
index d56acdf38..847e2f4a5 100644
--- a/mods/ENTITIES/mobs_mc/blaze.lua
+++ b/mods/ENTITIES/mobs_mc/blaze.lua
@@ -128,7 +128,18 @@ mobs:register_mob("mobs_mc:blaze", {
 	end,
 })
 
-mobs:spawn_specific("mobs_mc:blaze", "nether", "ground", 0, minetest.LIGHT_MAX+1, 30, 5000, 3, mobs_mc.spawn_height.nether_min, mobs_mc.spawn_height.nether_max)
+mobs:spawn_specific(
+"mobs_mc:blaze",
+"nether",
+"ground",
+{"Nether"},
+0,
+minetest.LIGHT_MAX+1,
+30,
+5000,
+3,
+mobs_mc.spawn_height.nether_min,
+mobs_mc.spawn_height.nether_max)
 
 -- Blaze fireball
 mobs:register_arrow("mobs_mc:blaze_fireball", {
diff --git a/mods/ENTITIES/mobs_mc/chicken.lua b/mods/ENTITIES/mobs_mc/chicken.lua
index 397b6b8da..43044aae0 100644
--- a/mods/ENTITIES/mobs_mc/chicken.lua
+++ b/mods/ENTITIES/mobs_mc/chicken.lua
@@ -100,7 +100,34 @@ mobs:register_mob("mobs_mc:chicken", {
 })
 
 --spawn
-mobs:spawn_specific("mobs_mc:chicken", "overworld", "ground", 9, minetest.LIGHT_MAX+1, 30, 17000, 3, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
+mobs:spawn_specific(
+"mobs_mc:chicken", 
+"overworld", 
+"ground",
+{
+"FlowerForest",
+"Swampland",
+"Taiga",
+"ExtremeHills",
+"BirchForest",
+"MegaSpruceTaiga",
+"MegaTaiga",
+"ExtremeHills+",
+"Forest",
+"Plains",
+"ColdTaiga",
+"SunflowerPlains",
+"RoofedForest",
+"MesaPlateauFM_grasstop",
+"ExtremeHillsM",
+"BirchForestM",
+}
+9, 
+minetest.LIGHT_MAX+1, 
+30, 17000, 
+3, 
+mobs_mc.spawn_height.spawn_height.water,
+mobs_mc.spawn_height.overworld_max)
 
 -- spawn eggs
 mobs:register_egg("mobs_mc:chicken", S("Chicken"), "mobs_mc_spawn_icon_chicken.png", 0)