diff --git a/_maps/RandomRuins/LavaRuins/lavaland_biodome_beach.dmm b/_maps/RandomRuins/LavaRuins/lavaland_biodome_beach.dmm
index 181dcf507cf..6d0cc639e53 100644
--- a/_maps/RandomRuins/LavaRuins/lavaland_biodome_beach.dmm
+++ b/_maps/RandomRuins/LavaRuins/lavaland_biodome_beach.dmm
@@ -1420,7 +1420,7 @@
 /area/ruin/powered/beach)
 "Xa" = (
 /obj/item/melee/skateboard/hoverboard,
-/mob/living/simple_animal/chicken{
+/mob/living/basic/chicken{
 	name = "Chicken Joe"
 	},
 /turf/open/misc/beach/sand,
diff --git a/_maps/map_files/MetaStation/MetaStation.dmm b/_maps/map_files/MetaStation/MetaStation.dmm
index 99290873bf3..875c6a81fd9 100644
--- a/_maps/map_files/MetaStation/MetaStation.dmm
+++ b/_maps/map_files/MetaStation/MetaStation.dmm
@@ -30883,7 +30883,7 @@
 /turf/open/floor/iron/white,
 /area/station/security/prison/visit)
 "lbH" = (
-/mob/living/simple_animal/chicken{
+/mob/living/basic/chicken{
 	name = "Featherbottom";
 	real_name = "Featherbottom"
 	},
@@ -39895,7 +39895,7 @@
 /turf/open/floor/iron,
 /area/station/hallway/secondary/exit/departure_lounge)
 "onU" = (
-/mob/living/simple_animal/chicken{
+/mob/living/basic/chicken{
 	name = "Kentucky";
 	real_name = "Kentucky"
 	},
diff --git a/_maps/map_files/NorthStar/north_star.dmm b/_maps/map_files/NorthStar/north_star.dmm
index f5d194d9a0a..4f642adcc7b 100644
--- a/_maps/map_files/NorthStar/north_star.dmm
+++ b/_maps/map_files/NorthStar/north_star.dmm
@@ -48258,7 +48258,7 @@
 /area/station/maintenance/floor2/port/aft)
 "mFB" = (
 /obj/structure/window/reinforced/spawner/directional/north,
-/mob/living/simple_animal/chicken,
+/mob/living/basic/chicken,
 /turf/open/floor/grass,
 /area/station/service/hydroponics)
 "mFD" = (
diff --git a/_maps/shuttles/emergency_tranquility.dmm b/_maps/shuttles/emergency_tranquility.dmm
index 20794dc0f3e..4656b1fc956 100644
--- a/_maps/shuttles/emergency_tranquility.dmm
+++ b/_maps/shuttles/emergency_tranquility.dmm
@@ -2205,7 +2205,7 @@
 /obj/effect/turf_decal/siding/wood/corner{
 	dir = 1
 	},
-/mob/living/simple_animal/chicken{
+/mob/living/basic/chicken{
 	name = "Relaxation Technician James"
 	},
 /obj/structure/flora/bush/flowers_br,
diff --git a/code/_globalvars/phobias.dm b/code/_globalvars/phobias.dm
index e17bea756f8..618caf1ccf2 100644
--- a/code/_globalvars/phobias.dm
+++ b/code/_globalvars/phobias.dm
@@ -57,8 +57,8 @@ GLOBAL_LIST_INIT(phobia_mobs, list(
 	)),
 	"anime" = typecacheof(list(/mob/living/simple_animal/hostile/guardian)),
 	"birds" = typecacheof(list(
+		/mob/living/basic/chicken,
 		/mob/living/simple_animal/chick,
-		/mob/living/simple_animal/chicken,
 		/mob/living/simple_animal/parrot,
 		/mob/living/simple_animal/pet/penguin,
 	)),
diff --git a/code/datums/ai/basic_mobs/basic_subtrees/speech_subtree.dm b/code/datums/ai/basic_mobs/basic_subtrees/speech_subtree.dm
index a8a55ff532f..05b09c53fb9 100644
--- a/code/datums/ai/basic_mobs/basic_subtrees/speech_subtree.dm
+++ b/code/datums/ai/basic_mobs/basic_subtrees/speech_subtree.dm
@@ -90,6 +90,12 @@
 		"Hmm mmm mmm!",
 	)
 
+/datum/ai_planning_subtree/random_speech/chicken
+	speech_chance = 15 // really talkative ladies
+	speak = list("Cluck!", "BWAAAAARK BWAK BWAK BWAK!", "Bwaak bwak.")
+	emote_hear = list("clucks.", "croons.")
+	emote_see = list("pecks at the ground.","flaps her wings viciously.")
+
 /datum/ai_planning_subtree/random_speech/cow
 	speech_chance = 1
 	speak = list("moo?","moo","MOOOOOO")
diff --git a/code/datums/memory/_memory.dm b/code/datums/memory/_memory.dm
index 99a975903e0..c0bf77fafd5 100644
--- a/code/datums/memory/_memory.dm
+++ b/code/datums/memory/_memory.dm
@@ -249,6 +249,7 @@
 		/mob/living/basic/carp,
 		/mob/living/basic/carp/magic,
 		/mob/living/basic/carp/magic/chaos,
+		/mob/living/basic/chicken,
 		/mob/living/basic/cow,
 		/mob/living/basic/cow/wisdom,
 		/mob/living/basic/giant_spider,
@@ -263,7 +264,6 @@
 		/mob/living/basic/stickman,
 		/mob/living/basic/stickman/dog,
 		/mob/living/simple_animal/chick,
-		/mob/living/simple_animal/chicken,
 		/mob/living/simple_animal/crab,
 		/mob/living/simple_animal/hostile/asteroid/basilisk/watcher,
 		/mob/living/simple_animal/hostile/asteroid/goliath/beast,
diff --git a/code/game/objects/items/food/monkeycube.dm b/code/game/objects/items/food/monkeycube.dm
index 706e740e506..a46c6a82042 100644
--- a/code/game/objects/items/food/monkeycube.dm
+++ b/code/game/objects/items/food/monkeycube.dm
@@ -73,7 +73,7 @@
 		/datum/reagent/medicine/strange_reagent = 1,
 	)
 	tastes = list("chicken" = 1, "the country" = 1, "chicken bouillon" = 1)
-	spawned_mob = /mob/living/simple_animal/chicken
+	spawned_mob = /mob/living/basic/chicken
 
 /obj/item/food/monkeycube/bee
 	name = "bee cube"
diff --git a/code/modules/events/ghost_role/sentience.dm b/code/modules/events/ghost_role/sentience.dm
index c23a5dc42ff..2471849be63 100644
--- a/code/modules/events/ghost_role/sentience.dm
+++ b/code/modules/events/ghost_role/sentience.dm
@@ -1,24 +1,24 @@
 GLOBAL_LIST_INIT(high_priority_sentience, typecacheof(list(
 	/mob/living/basic/bat,
 	/mob/living/basic/butterfly,
-	/mob/living/basic/lizard,
 	/mob/living/basic/carp/pet/cayenne,
+	/mob/living/basic/chicken,
 	/mob/living/basic/cow,
 	/mob/living/basic/giant_spider/sgt_araneus,
+	/mob/living/basic/lizard,
 	/mob/living/basic/mouse/brown/tom,
 	/mob/living/basic/pet,
 	/mob/living/basic/pig,
 	/mob/living/basic/rabbit,
 	/mob/living/basic/sheep,
-	/mob/living/simple_animal/pet,
-	/mob/living/simple_animal/parrot,
-	/mob/living/simple_animal/sloth,
-	/mob/living/simple_animal/hostile/retaliate/goat,
-	/mob/living/simple_animal/chicken,
-	/mob/living/simple_animal/hostile/retaliate/snake,
-	/mob/living/simple_animal/hostile/retaliate/goose/vomit,
 	/mob/living/simple_animal/bot/mulebot,
 	/mob/living/simple_animal/bot/secbot/beepsky,
+	/mob/living/simple_animal/hostile/retaliate/goat,
+	/mob/living/simple_animal/hostile/retaliate/goose/vomit,
+	/mob/living/simple_animal/hostile/retaliate/snake,
+	/mob/living/simple_animal/parrot,
+	/mob/living/simple_animal/pet,
+	/mob/living/simple_animal/sloth,
 )))
 
 /datum/round_event_control/sentience
diff --git a/code/modules/events/wizard/petsplosion.dm b/code/modules/events/wizard/petsplosion.dm
index eba67297a96..d6b5bf40975 100644
--- a/code/modules/events/wizard/petsplosion.dm
+++ b/code/modules/events/wizard/petsplosion.dm
@@ -3,6 +3,7 @@ GLOBAL_LIST_INIT(petsplosion_candidates, typecacheof(list(
 	/mob/living/basic/bat,
 	/mob/living/basic/butterfly,
 	/mob/living/basic/carp/pet/cayenne,
+	/mob/living/basic/chicken,
 	/mob/living/basic/cow,
 	/mob/living/basic/giant_spider/sgt_araneus,
 	/mob/living/basic/lizard,
@@ -12,13 +13,12 @@ GLOBAL_LIST_INIT(petsplosion_candidates, typecacheof(list(
 	/mob/living/basic/pig,
 	/mob/living/basic/rabbit,
 	/mob/living/basic/sheep,
-	/mob/living/simple_animal/pet,
-	/mob/living/simple_animal/parrot,
-	/mob/living/simple_animal/sloth,
 	/mob/living/simple_animal/hostile/retaliate/goat,
-	/mob/living/simple_animal/chicken,
-	/mob/living/simple_animal/hostile/retaliate/snake,
 	/mob/living/simple_animal/hostile/retaliate/goose/vomit,
+	/mob/living/simple_animal/hostile/retaliate/snake,
+	/mob/living/simple_animal/parrot,
+	/mob/living/simple_animal/pet,
+	/mob/living/simple_animal/sloth,
 )))
 
 /datum/round_event_control/wizard/petsplosion //the horror
diff --git a/code/modules/experisci/experiment/experiments.dm b/code/modules/experisci/experiment/experiments.dm
index 849899d6773..611eaae4244 100644
--- a/code/modules/experisci/experiment/experiments.dm
+++ b/code/modules/experisci/experiment/experiments.dm
@@ -39,7 +39,14 @@
 	description = "We need to see how the body functions from the earliest moments. Some cytology experiments will help us gain this understanding."
 	total_requirement = 3
 	max_requirement_per_type = 2
-	possible_types = list(/mob/living/basic/carp, /mob/living/simple_animal/hostile/retaliate/snake, /mob/living/simple_animal/pet/cat, /mob/living/basic/pet/dog/corgi, /mob/living/basic/cow, /mob/living/simple_animal/chicken)
+	possible_types = list(
+		/mob/living/basic/carp,
+		/mob/living/basic/chicken,
+		/mob/living/basic/cow,
+		/mob/living/basic/pet/dog/corgi,
+		/mob/living/simple_animal/hostile/retaliate/snake,
+		/mob/living/simple_animal/pet/cat,
+	)
 
 /datum/experiment/scanning/random/cytology/medium/one
 	name = "Advanced Cytology Scanning Experiment One"
diff --git a/code/modules/mob/living/basic/farm_animals/chicken.dm b/code/modules/mob/living/basic/farm_animals/chicken.dm
new file mode 100644
index 00000000000..f102ee43da1
--- /dev/null
+++ b/code/modules/mob/living/basic/farm_animals/chicken.dm
@@ -0,0 +1,95 @@
+/// Counter for number of chicken mobs in the universe. Chickens will not lay fertile eggs if it exceeds the MAX_CHICKENS define.
+GLOBAL_VAR_INIT(chicken_count, 0)
+
+/* ## Chickens
+*
+*
+* Not-entirely-flightless domesticated birds that lay eggs, which are then consumed by humans and other animals.
+*/
+
+
+/mob/living/basic/chicken
+	name = "\improper chicken"
+	desc = "Hopefully the eggs are good this season."
+	gender = FEMALE
+	mob_biotypes = MOB_ORGANIC|MOB_BEAST
+	icon_state = "chicken_brown"
+	icon_living = "chicken_brown"
+	icon_dead = "chicken_brown_dead"
+	density = FALSE
+	butcher_results = list(/obj/item/food/meat/slab/chicken = 2)
+	response_help_continuous = "pets"
+	response_help_simple = "pet"
+	response_disarm_continuous = "gently pushes aside"
+	response_disarm_simple = "gently push aside"
+	response_harm_continuous = "pecks"
+	response_harm_simple = "peck"
+	attack_verb_continuous = "pecks"
+	attack_verb_simple = "peck"
+	friendly_verb_continuous = "headbutts"
+	friendly_verb_simple = "headbutt"
+	speak_emote = list("clucks", "croons")
+	health = 15
+	maxHealth = 15
+	pass_flags = PASSTABLE | PASSMOB
+	mob_size = MOB_SIZE_SMALL
+	gold_core_spawnable = FRIENDLY_SPAWN
+
+	ai_controller = /datum/ai_controller/basic_controller/chicken
+
+	///boolean deciding whether eggs laid by this chicken can hatch into chicks
+	var/fertile = TRUE
+
+/mob/living/basic/chicken/Initialize(mapload)
+	. = ..()
+	GLOB.chicken_count++
+	ADD_TRAIT(src, TRAIT_VENTCRAWLER_ALWAYS, INNATE_TRAIT)
+	AddElement(/datum/element/pet_bonus, "clucks happily!")
+	AddElement(/datum/element/footstep, FOOTSTEP_MOB_CLAW)
+	AddElement(/datum/element/swabable, CELL_LINE_TABLE_CHICKEN, CELL_VIRUS_TABLE_GENERIC_MOB, 1, 5)
+	AddElement(/datum/element/animal_variety, "chicken", pick("brown", "black", "white"), modify_pixels = TRUE)
+	AddComponent(\
+		/datum/component/egg_layer,\
+		/obj/item/food/egg,\
+		list(/obj/item/food/grown/wheat),\
+		feed_messages = list("She clucks contently."),\
+		lay_messages = EGG_LAYING_MESSAGES,\
+		eggs_left = 0,\
+		eggs_added_from_eating = rand(1, 4),\
+		max_eggs_held = 8,\
+		egg_laid_callback = CALLBACK(src, PROC_REF(egg_laid)),\
+	)
+
+/mob/living/basic/chicken/Destroy()
+	GLOB.chicken_count--
+	return ..()
+
+/mob/living/basic/chicken/proc/egg_laid(obj/item/egg)
+	if(GLOB.chicken_count <= MAX_CHICKENS && fertile && prob(25))
+		egg.AddComponent(\
+			/datum/component/fertile_egg,\
+			embryo_type = /mob/living/simple_animal/chick,\
+			minimum_growth_rate = 1,\
+			maximum_growth_rate = 2,\
+			total_growth_required = 200,\
+			current_growth = 0,\
+			location_allowlist = typecacheof(list(/turf)),\
+			spoilable = TRUE,\
+		)
+
+/datum/ai_controller/basic_controller/chicken
+	blackboard = list(
+		BB_TARGETTING_DATUM = new /datum/targetting_datum/basic,
+	)
+
+	ai_traits = STOP_MOVING_WHEN_PULLED
+	ai_movement = /datum/ai_movement/basic_avoidance
+	idle_behavior = /datum/idle_behavior/idle_random_walk
+
+	planning_subtrees = list(
+		/datum/ai_planning_subtree/find_nearest_thing_which_attacked_me_to_flee,
+		/datum/ai_planning_subtree/flee_target,
+		/datum/ai_planning_subtree/target_retaliate,
+		/datum/ai_planning_subtree/basic_melee_attack_subtree,
+		/datum/ai_planning_subtree/random_speech/chicken,
+	)
diff --git a/code/modules/mob/living/living.dm b/code/modules/mob/living/living.dm
index bcb9100cd22..4db1bc36496 100644
--- a/code/modules/mob/living/living.dm
+++ b/code/modules/mob/living/living.dm
@@ -1380,6 +1380,7 @@
 				/mob/living/basic/carp,
 				/mob/living/basic/carp/magic,
 				/mob/living/basic/carp/magic/chaos,
+				/mob/living/basic/chicken,
 				/mob/living/basic/cow,
 				/mob/living/basic/giant_spider,
 				/mob/living/basic/giant_spider/hunter,
@@ -1392,19 +1393,18 @@
 				/mob/living/basic/statue,
 				/mob/living/basic/stickman,
 				/mob/living/basic/stickman/dog,
-				/mob/living/simple_animal/crab,
 				/mob/living/simple_animal/chick,
-				/mob/living/simple_animal/chicken,
-				/mob/living/simple_animal/hostile/bear,
-				/mob/living/simple_animal/hostile/mushroom,
-				/mob/living/simple_animal/hostile/retaliate/goat,
-				/mob/living/simple_animal/hostile/blob/blobbernaut/independent,
+				/mob/living/simple_animal/crab,
 				/mob/living/simple_animal/hostile/asteroid/basilisk/watcher,
 				/mob/living/simple_animal/hostile/asteroid/goliath/beast,
-				/mob/living/simple_animal/hostile/headcrab,
-				/mob/living/simple_animal/hostile/morph,
-				/mob/living/simple_animal/hostile/megafauna/dragon/lesser,
+				/mob/living/simple_animal/hostile/bear,
+				/mob/living/simple_animal/hostile/blob/blobbernaut/independent,
 				/mob/living/simple_animal/hostile/gorilla,
+				/mob/living/simple_animal/hostile/headcrab,
+				/mob/living/simple_animal/hostile/megafauna/dragon/lesser,
+				/mob/living/simple_animal/hostile/morph,
+				/mob/living/simple_animal/hostile/mushroom,
+				/mob/living/simple_animal/hostile/retaliate/goat,
 				/mob/living/simple_animal/parrot,
 				/mob/living/simple_animal/pet/cat,
 				/mob/living/simple_animal/pet/cat/cak,
diff --git a/code/modules/mob/living/simple_animal/friendly/farm_animals.dm b/code/modules/mob/living/simple_animal/friendly/farm_animals.dm
index b8a23c16da7..a1556d2f684 100644
--- a/code/modules/mob/living/simple_animal/friendly/farm_animals.dm
+++ b/code/modules/mob/living/simple_animal/friendly/farm_animals.dm
@@ -172,81 +172,9 @@
 	if(!stat && !ckey)
 		amount_grown += rand(0.5 * seconds_per_tick, 1 * seconds_per_tick)
 		if(amount_grown >= 100)
-			new /mob/living/simple_animal/chicken(src.loc)
+			new /mob/living/basic/chicken(src.loc)
 			qdel(src)
 
 /mob/living/simple_animal/chick/holo/Life(seconds_per_tick = SSMOBS_DT, times_fired)
 	..()
 	amount_grown = 0
-
-/// Counter for number of chicken mobs in the universe. Chickens will not lay fertile eggs if it exceeds the MAX_CHICKENS define.
-GLOBAL_VAR_INIT(chicken_count, 0)
-
-/mob/living/simple_animal/chicken
-	name = "\improper chicken"
-	desc = "Hopefully the eggs are good this season."
-	gender = FEMALE
-	mob_biotypes = MOB_ORGANIC|MOB_BEAST
-	icon_state = "chicken_brown"
-	icon_living = "chicken_brown"
-	icon_dead = "chicken_brown_dead"
-	speak = list("Cluck!","BWAAAAARK BWAK BWAK BWAK!","Bwaak bwak.")
-	speak_emote = list("clucks","croons")
-	emote_hear = list("clucks.")
-	emote_see = list("pecks at the ground.","flaps her wings viciously.")
-	density = FALSE
-	speak_chance = 2
-	turns_per_move = 3
-	butcher_results = list(/obj/item/food/meat/slab/chicken = 2)
-	response_help_continuous = "pets"
-	response_help_simple = "pet"
-	response_disarm_continuous = "gently pushes aside"
-	response_disarm_simple = "gently push aside"
-	response_harm_continuous = "kicks"
-	response_harm_simple = "kick"
-	attack_verb_continuous = "kicks"
-	attack_verb_simple = "kick"
-	health = 15
-	maxHealth = 15
-	pass_flags = PASSTABLE | PASSMOB
-	mob_size = MOB_SIZE_SMALL
-	gold_core_spawnable = FRIENDLY_SPAWN
-	footstep_type = FOOTSTEP_MOB_CLAW
-	///boolean deciding whether eggs laid by this chicken can hatch into chicks
-	var/fertile = TRUE
-
-/mob/living/simple_animal/chicken/Initialize(mapload)
-	. = ..()
-	GLOB.chicken_count++
-	add_cell_sample()
-	AddElement(/datum/element/animal_variety, "chicken", pick("brown","black","white"), TRUE)
-	AddComponent(/datum/component/egg_layer,\
-		/obj/item/food/egg,\
-		list(/obj/item/food/grown/wheat),\
-		feed_messages = list("She clucks happily."),\
-		lay_messages = EGG_LAYING_MESSAGES,\
-		eggs_left = 0,\
-		eggs_added_from_eating = rand(1, 4),\
-		max_eggs_held = 8,\
-		egg_laid_callback = CALLBACK(src, PROC_REF(egg_laid))\
-	)
-	ADD_TRAIT(src, TRAIT_VENTCRAWLER_ALWAYS, INNATE_TRAIT)
-
-/mob/living/simple_animal/chicken/add_cell_sample()
-	AddElement(/datum/element/swabable, CELL_LINE_TABLE_CHICKEN, CELL_VIRUS_TABLE_GENERIC_MOB, 1, 5)
-
-/mob/living/simple_animal/chicken/Destroy()
-	GLOB.chicken_count--
-	return ..()
-
-/mob/living/simple_animal/chicken/proc/egg_laid(obj/item/egg)
-	if(GLOB.chicken_count <= MAX_CHICKENS && fertile && prob(25))
-		egg.AddComponent(/datum/component/fertile_egg,\
-			embryo_type = /mob/living/simple_animal/chick,\
-			minimum_growth_rate = 1,\
-			maximum_growth_rate = 2,\
-			total_growth_required = 200,\
-			current_growth = 0,\
-			location_allowlist = typecacheof(list(/turf)),\
-			spoilable = TRUE,\
-		)
diff --git a/code/modules/research/xenobiology/vatgrowing/samples/cell_lines/common.dm b/code/modules/research/xenobiology/vatgrowing/samples/cell_lines/common.dm
index b4f10e717ac..c756cc5a263 100644
--- a/code/modules/research/xenobiology/vatgrowing/samples/cell_lines/common.dm
+++ b/code/modules/research/xenobiology/vatgrowing/samples/cell_lines/common.dm
@@ -44,7 +44,7 @@
 
 	virus_suspectibility = 1
 	growth_rate = VAT_GROWTH_RATE
-	resulting_atoms = list(/mob/living/simple_animal/chicken = 1)
+	resulting_atoms = list(/mob/living/basic/chicken = 1)
 
 /datum/micro_organism/cell_line/cow
 	desc = "Bovine stem cells"
diff --git a/code/modules/unit_tests/simple_animal_freeze.dm b/code/modules/unit_tests/simple_animal_freeze.dm
index aa43639b11a..efd6e1a34d7 100644
--- a/code/modules/unit_tests/simple_animal_freeze.dm
+++ b/code/modules/unit_tests/simple_animal_freeze.dm
@@ -34,7 +34,6 @@
 		/mob/living/simple_animal/bot/vibebot,
 		/mob/living/simple_animal/chick,
 		/mob/living/simple_animal/chick/holo,
-		/mob/living/simple_animal/chicken,
 		/mob/living/simple_animal/crab,
 		/mob/living/simple_animal/crab/coffee,
 		/mob/living/simple_animal/crab/evil,
diff --git a/tgstation.dme b/tgstation.dme
index 55ef862b85e..dd071a543d2 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -3932,6 +3932,7 @@
 #include "code\modules\mob\living\basic\festivus_pole.dm"
 #include "code\modules\mob\living\basic\health_adjustment.dm"
 #include "code\modules\mob\living\basic\tree.dm"
+#include "code\modules\mob\living\basic\farm_animals\chicken.dm"
 #include "code\modules\mob\living\basic\farm_animals\deer.dm"
 #include "code\modules\mob\living\basic\farm_animals\pig.dm"
 #include "code\modules\mob\living\basic\farm_animals\rabbit.dm"
diff --git a/tools/UpdatePaths/Scripts/75592_simple_to_basic_chickens.txt b/tools/UpdatePaths/Scripts/75592_simple_to_basic_chickens.txt
new file mode 100644
index 00000000000..1b2f6ee1d19
--- /dev/null
+++ b/tools/UpdatePaths/Scripts/75592_simple_to_basic_chickens.txt
@@ -0,0 +1 @@
+/mob/living/simple_animal/chicken : /mob/living/basic/chicken{@OLD}