diff --git a/code/datums/datacore.dm b/code/datums/datacore.dm
index da72abcdd5e..9e76a6af56a 100644
--- a/code/datums/datacore.dm
+++ b/code/datums/datacore.dm
@@ -164,7 +164,7 @@ proc/get_id_photo(var/mob/living/carbon/human/H)
 		preview_icon.Blend(temp, ICON_OVERLAY)
 
 	//Tail
-	if(H.species.tail && H.species.flags & HAS_TAIL)
+	if(H.species.tail)
 		temp = new/icon("icon" = 'icons/effects/species.dmi', "icon_state" = "[H.species.tail]_s")
 		preview_icon.Blend(temp, ICON_OVERLAY)
 
diff --git a/code/datums/datumvars.dm b/code/datums/datumvars.dm
index 1e6d9790eb2..a51ac42ee25 100644
--- a/code/datums/datumvars.dm
+++ b/code/datums/datumvars.dm
@@ -779,12 +779,8 @@ client
 			usr << "Mob doesn't exist anymore"
 			return
 
-		// Clear out their species abilities.
-		H.species.remove_inherent_verbs(H)
-
 		if(H.set_species(new_species))
 			usr << "Set species of [H] to [H.species]."
-			H.regenerate_icons()
 		else
 			usr << "Failed! Something went wrong."
 
diff --git a/code/game/objects/effects/aliens.dm b/code/game/objects/effects/aliens.dm
index 9983eff1ac0..0ee04f0230c 100644
--- a/code/game/objects/effects/aliens.dm
+++ b/code/game/objects/effects/aliens.dm
@@ -109,6 +109,17 @@
 			O.show_message("\red [usr] destroys the [name]!", 1)
 		health = 0
 	else
+
+		// Aliens can get straight through these.
+		if(istype(usr,/mob/living/carbon))
+			var/mob/living/carbon/M = usr
+			if(locate(/datum/organ/internal/xenos/hivenode) in M.internal_organs)
+				for(var/mob/O in oviewers(src))
+					O.show_message("\red [usr] strokes the [name] and it melts away!", 1)
+				health = 0
+				healthcheck()
+				return
+
 		usr << "\blue You claw at the [name]."
 		for(var/mob/O in oviewers(src))
 			O.show_message("\red [usr] claws at the [name]!", 1)
diff --git a/code/game/objects/items.dm b/code/game/objects/items.dm
index 80f1fcb8e51..5b41ba88b7b 100644
--- a/code/game/objects/items.dm
+++ b/code/game/objects/items.dm
@@ -260,8 +260,11 @@
 	if(ishuman(M))
 		//START HUMAN
 		var/mob/living/carbon/human/H = M
+		var/list/mob_equip = list()
+		if(H.species.hud && H.species.hud.equip_slots)
+			mob_equip = H.species.hud.equip_slots
 
-		if(H.species && !(slot in H.species.hud.equip_slots))
+		if(H.species && !(slot in mob_equip))
 			return 0
 
 		switch(slot)
@@ -306,7 +309,7 @@
 			if(slot_belt)
 				if(H.belt)
 					return 0
-				if(!H.w_uniform)
+				if(!H.w_uniform && (slot_w_uniform in mob_equip))
 					if(!disable_warning)
 						H << "\red You need a jumpsuit before you can attach this [name]."
 					return 0
@@ -354,7 +357,7 @@
 			if(slot_wear_id)
 				if(H.wear_id)
 					return 0
-				if(!H.w_uniform)
+				if(!H.w_uniform && (slot_w_uniform in mob_equip))
 					if(!disable_warning)
 						H << "\red You need a jumpsuit before you can attach this [name]."
 					return 0
@@ -364,7 +367,7 @@
 			if(slot_l_store)
 				if(H.l_store)
 					return 0
-				if(!H.w_uniform)
+				if(!H.w_uniform && (slot_w_uniform in mob_equip))
 					if(!disable_warning)
 						H << "\red You need a jumpsuit before you can attach this [name]."
 					return 0
@@ -375,7 +378,7 @@
 			if(slot_r_store)
 				if(H.r_store)
 					return 0
-				if(!H.w_uniform)
+				if(!H.w_uniform && (slot_w_uniform in mob_equip))
 					if(!disable_warning)
 						H << "\red You need a jumpsuit before you can attach this [name]."
 					return 0
@@ -387,7 +390,7 @@
 			if(slot_s_store)
 				if(H.s_store)
 					return 0
-				if(!H.wear_suit)
+				if(!H.wear_suit && (slot_wear_suit in mob_equip))
 					if(!disable_warning)
 						H << "\red You need a suit before you can attach this [name]."
 					return 0
diff --git a/code/modules/mob/language.dm b/code/modules/mob/language.dm
index 14c134dc083..820bcbe7e9d 100755
--- a/code/modules/mob/language.dm
+++ b/code/modules/mob/language.dm
@@ -6,6 +6,8 @@
 	var/name = "an unknown language" // Fluff name of language if any.
 	var/desc = "A language."         // Short description for 'Check Languages'.
 	var/speech_verb = "says"         // 'says', 'hisses', 'farts'.
+	var/ask_verb = "asks"            // Used when sentence ends in a ?
+	var/exclaim_verb = "exclaims"    // Used when sentence ends in a !
 	var/signlang_verb = list()       // list of emotes that might be displayed if this language has NONVERBAL or SIGNLANG flags
 	var/colour = "body"         // CSS style to use for strings in this language.
 	var/key = "x"                    // Character used to speak in language eg. :o for Unathi.
@@ -33,6 +35,14 @@
 /datum/language/proc/check_special_condition(var/mob/other)
 	return 1
 
+/datum/language/proc/get_spoken_verb(var/msg_end)
+	switch(msg_end)
+		if("!")
+			return exclaim_verb
+		if("?")
+			return ask_verb
+	return speech_verb
+
 /datum/language/unathi
 	name = "Sinta'unathi"
 	desc = "The common language of Moghes, composed of sibilant hisses and rattles. Spoken natively by Unathi."
diff --git a/code/modules/mob/living/carbon/carbon.dm b/code/modules/mob/living/carbon/carbon.dm
index 699dfe301fe..c529cc9154d 100644
--- a/code/modules/mob/living/carbon/carbon.dm
+++ b/code/modules/mob/living/carbon/carbon.dm
@@ -522,4 +522,7 @@
 				step(AM, t)
 			now_pushing = 0
 		return
+	return
+
+/mob/living/carbon/can_use_vents()
 	return
\ No newline at end of file
diff --git a/code/modules/mob/living/carbon/human/alien/alien_species.dm b/code/modules/mob/living/carbon/human/alien/alien_species.dm
index b592c6292b7..908abe85e31 100644
--- a/code/modules/mob/living/carbon/human/alien/alien_species.dm
+++ b/code/modules/mob/living/carbon/human/alien/alien_species.dm
@@ -126,6 +126,7 @@
 		)
 
 	inherent_verbs = list(
+		/mob/living/proc/ventcrawl,
 		/mob/living/carbon/human/proc/regurgitate,
 		/mob/living/carbon/human/proc/plant,
 		/mob/living/carbon/human/proc/transfer_plasma,
@@ -162,6 +163,7 @@
 		)
 
 	inherent_verbs = list(
+		/mob/living/proc/ventcrawl,
 		/mob/living/carbon/human/proc/tackle,
 		/mob/living/carbon/human/proc/gut,
 		/mob/living/carbon/human/proc/leap,
@@ -190,6 +192,7 @@
 		)
 
 	inherent_verbs = list(
+		/mob/living/proc/ventcrawl,
 		/mob/living/carbon/human/proc/tackle,
 		/mob/living/carbon/human/proc/regurgitate,
 		/mob/living/carbon/human/proc/transfer_plasma,
@@ -222,6 +225,7 @@
 		)
 
 	inherent_verbs = list(
+		/mob/living/proc/ventcrawl,
 		/mob/living/carbon/human/proc/psychic_whisper,
 		/mob/living/carbon/human/proc/regurgitate,
 		/mob/living/carbon/human/proc/lay_egg,
diff --git a/code/modules/mob/living/carbon/human/human.dm b/code/modules/mob/living/carbon/human/human.dm
index 3156e1fe7c4..275790fe5e6 100644
--- a/code/modules/mob/living/carbon/human/human.dm
+++ b/code/modules/mob/living/carbon/human/human.dm
@@ -1171,6 +1171,7 @@
 			dna.species = new_species
 
 	if(species)
+
 		if(species.name && species.name == new_species)
 			return
 		if(species.language)
@@ -1179,6 +1180,9 @@
 		if(species.default_language)
 			remove_language(species.default_language)
 
+		// Clear out their species abilities.
+		species.remove_inherent_verbs(src)
+
 	species = all_species[new_species]
 
 	species.create_organs(src)
@@ -1202,7 +1206,7 @@
 	species.handle_post_spawn(src)
 
 	spawn(0)
-		update_icons()
+		regenerate_icons()
 		vessel.add_reagent("blood",560-vessel.total_volume)
 		fixblood()
 
@@ -1345,4 +1349,4 @@
 		var/datum/organ/internal/eyes = internal_organs_by_name["eyes"]
 		if(eyes && istype(eyes) && !eyes.status & ORGAN_CUT_AWAY)
 			return 1
-	return 0
+	return 0
\ No newline at end of file
diff --git a/code/modules/mob/living/carbon/human/say.dm b/code/modules/mob/living/carbon/human/say.dm
index 0b7d601ca95..766dd94c256 100644
--- a/code/modules/mob/living/carbon/human/say.dm
+++ b/code/modules/mob/living/carbon/human/say.dm
@@ -232,16 +232,17 @@
 /mob/living/carbon/human/say_quote(var/message, var/datum/language/speaking = null)
 	var/verb = "says"
 	var/ending = copytext(message, length(message))
-	if(ending=="!")
-		verb=pick("exclaims","shouts","yells")
-	else if(ending=="?")
-		verb="asks"
+
+	if(speaking)
+		verb = speaking.get_spoken_verb(ending)
+	else
+		if(ending == "!")
+			verb=pick("exclaims","shouts","yells")
+		else if(ending == "?")
+			verb="asks"
 
 	return verb
 
-
-
-
 /mob/living/carbon/human/proc/handle_speech_problems(var/message)
 	var/list/returns[3]
 	var/verb = "says"
diff --git a/code/modules/mob/living/carbon/human/species.dm b/code/modules/mob/living/carbon/human/species.dm
index 963a969658a..0ffe4645a1a 100644
--- a/code/modules/mob/living/carbon/human/species.dm
+++ b/code/modules/mob/living/carbon/human/species.dm
@@ -234,7 +234,7 @@
 	heat_level_2 = 480 //Default 400
 	heat_level_3 = 1100 //Default 1000
 
-	flags = IS_WHITELISTED | HAS_LIPS | HAS_UNDERWEAR | HAS_TAIL | HAS_SKIN_COLOR
+	flags = IS_WHITELISTED | HAS_LIPS | HAS_UNDERWEAR | HAS_SKIN_COLOR
 
 	flesh_color = "#34AF10"
 
@@ -261,7 +261,7 @@
 
 	primitive = /mob/living/carbon/monkey/tajara
 
-	flags = IS_WHITELISTED | HAS_LIPS | HAS_UNDERWEAR | HAS_TAIL | HAS_SKIN_COLOR
+	flags = IS_WHITELISTED | HAS_LIPS | HAS_UNDERWEAR | HAS_SKIN_COLOR
 
 	flesh_color = "#AFA59E"
 	base_color = "#333333"
@@ -353,7 +353,7 @@
 	breath_type = "nitrogen"
 	poison_type = "oxygen"
 
-	flags = NO_SCAN | NO_BLOOD | HAS_TAIL | NO_PAIN
+	flags = NO_SCAN | NO_BLOOD | NO_PAIN
 
 	blood_color = "#2299FC"
 	flesh_color = "#808D11"
diff --git a/code/modules/mob/living/carbon/human/update_icons.dm b/code/modules/mob/living/carbon/human/update_icons.dm
index f3a13b60355..e4ce980456f 100644
--- a/code/modules/mob/living/carbon/human/update_icons.dm
+++ b/code/modules/mob/living/carbon/human/update_icons.dm
@@ -897,7 +897,7 @@ proc/get_damage_icon_part(damage_state, body_part)
 /mob/living/carbon/human/proc/update_tail_showing(var/update_icons=1)
 	overlays_standing[TAIL_LAYER] = null
 
-	if(species.tail && species.flags & HAS_TAIL)
+	if(species.tail)
 		if(!wear_suit || !(wear_suit.flags_inv & HIDETAIL) && !istype(wear_suit, /obj/item/clothing/suit/space))
 			var/icon/tail_s = new/icon("icon" = 'icons/effects/species.dmi', "icon_state" = "[species.tail]_s")
 			tail_s.Blend(rgb(r_skin, g_skin, b_skin), ICON_ADD)
diff --git a/code/modules/mob/living/living.dm b/code/modules/mob/living/living.dm
index 5c5805bfaf3..c1adb74feee 100644
--- a/code/modules/mob/living/living.dm
+++ b/code/modules/mob/living/living.dm
@@ -806,10 +806,10 @@
 		var/area/new_area = get_area(loc)
 		if(new_area)
 			new_area.Entered(src)
+
 /mob/living/proc/can_use_vents()
 	return "You can't fit into that vent."
 
-
 /mob/living/proc/has_brain()
 	return 1
 
diff --git a/code/modules/mob/living/silicon/ai/ai.dm b/code/modules/mob/living/silicon/ai/ai.dm
index 928ba4130a5..b24e995aecc 100644
--- a/code/modules/mob/living/silicon/ai/ai.dm
+++ b/code/modules/mob/living/silicon/ai/ai.dm
@@ -128,6 +128,8 @@ var/list/ai_verbs_default = list(
 		add_ai_verbs(src)
 
 	//Languages
+	add_language("Robot Talk", 1)
+	add_language("Galactic Common", 0)
 	add_language("Sol Common", 0)
 	add_language("Sinta'unathi", 0)
 	add_language("Siik'tajr", 0)
diff --git a/code/modules/mob/living/simple_animal/friendly/mouse.dm b/code/modules/mob/living/simple_animal/friendly/mouse.dm
index 4f5eda2af94..f6200a3e7eb 100644
--- a/code/modules/mob/living/simple_animal/friendly/mouse.dm
+++ b/code/modules/mob/living/simple_animal/friendly/mouse.dm
@@ -114,5 +114,5 @@
 	response_disarm = "gently pushes aside"
 	response_harm   = "splats"
 
-/mob/living/carbon/alien/can_use_vents()
+/mob/living/simple_animal/mouse/can_use_vents()
 	return
\ No newline at end of file
diff --git a/code/modules/mob/new_player/preferences_setup.dm b/code/modules/mob/new_player/preferences_setup.dm
index 110c505b317..48ba98ac291 100644
--- a/code/modules/mob/new_player/preferences_setup.dm
+++ b/code/modules/mob/new_player/preferences_setup.dm
@@ -208,7 +208,7 @@ datum/preferences
 			preview_icon.Blend(temp, ICON_OVERLAY)
 
 		//Tail
-		if(current_species && (current_species.flags & HAS_TAIL))
+		if(current_species && (current_species.tail))
 			var/icon/temp = new/icon("icon" = 'icons/effects/species.dmi', "icon_state" = "[current_species.tail]_s")
 			preview_icon.Blend(temp, ICON_OVERLAY)
 
diff --git a/code/setup.dm b/code/setup.dm
index f0530653527..4b64a0821ef 100644
--- a/code/setup.dm
+++ b/code/setup.dm
@@ -748,11 +748,9 @@ var/list/RESTRICTED_CAMERA_NETWORKS = list( //Those networks can only be accesse
 #define HAS_SKIN_COLOR 128
 #define HAS_LIPS 256
 #define HAS_UNDERWEAR 512
-#define HAS_TAIL 1024
-
-#define IS_PLANT 2048
-#define IS_WHITELISTED 4096
-#define IS_SYNTHETIC 8192
+#define IS_PLANT 1024
+#define IS_WHITELISTED 2048
+#define IS_SYNTHETIC 4096
 
 //Language flags.
 #define WHITELISTED 1  		// Language is available if the speaker is whitelisted.
diff --git a/icons/effects/species.dmi b/icons/effects/species.dmi
index 4c1516b8581..defb526a7f8 100644
Binary files a/icons/effects/species.dmi and b/icons/effects/species.dmi differ