diff --git a/code/game/sound.dm b/code/game/sound.dm
index 5d6858f8273b..a7ba7cbbd9a8 100644
--- a/code/game/sound.dm
+++ b/code/game/sound.dm
@@ -443,8 +443,12 @@
 				sound = pick('sound/effects/clownstep1.ogg', 'sound/effects/clownstep2.ogg')
 			if("giant_lizard_growl")
 				sound = pick('sound/effects/giant_lizard_growl1.ogg', 'sound/effects/giant_lizard_growl2.ogg')
+			if("bortrough_growl")
+				sound = pick('sound/effects/bortrough-chuff1.ogg', 'sound/effects/bortrough-chuff2.ogg')
 			if("giant_lizard_hiss")
 				sound = pick('sound/effects/giant_lizard_hiss1.ogg', 'sound/effects/giant_lizard_hiss2.ogg')
+			if("bortrough_hiss")
+				sound = pick('sound/effect/bortrough-hurt.ogg')
 			if("evo_screech")
 				sound = pick('sound/voice/alien_echoroar_1.ogg', 'sound/voice/alien_echoroar_2.ogg', 'sound/voice/alien_echoroar_3.ogg')
 			if("wy_droid_pain")
diff --git a/code/modules/mob/living/simple_animal/hostile/retaliate/bortrough.dm b/code/modules/mob/living/simple_animal/hostile/retaliate/bortrough.dm
index 499e2066933c..26de52e32206 100644
--- a/code/modules/mob/living/simple_animal/hostile/retaliate/bortrough.dm
+++ b/code/modules/mob/living/simple_animal/hostile/retaliate/bortrough.dm
@@ -11,7 +11,7 @@
 	stun_duration = 2
 	grab_level = GRAB_CHOKE
 	base_state = "Bortrough"
-	death_sound = 'sound/effects/bortrough-die.mp3'
+	death_sound = 'sound/effects/bortrough-die.ogg'
 	growl_sound = "bortrough-chuff"
 	hiss_sound = "bortrough-hurt"
 	wound_icon = 'icons/mob/bortrough.dmi'
diff --git a/sound/effects/bortrough-chuff1.mp3 b/sound/effects/bortrough-chuff1.mp3
deleted file mode 100644
index d472486f3499..000000000000
Binary files a/sound/effects/bortrough-chuff1.mp3 and /dev/null differ
diff --git a/sound/effects/bortrough-chuff1.ogg b/sound/effects/bortrough-chuff1.ogg
new file mode 100644
index 000000000000..4b60258ee5e8
Binary files /dev/null and b/sound/effects/bortrough-chuff1.ogg differ
diff --git a/sound/effects/bortrough-chuff2.mp3 b/sound/effects/bortrough-chuff2.mp3
deleted file mode 100644
index ffba1d3285fb..000000000000
Binary files a/sound/effects/bortrough-chuff2.mp3 and /dev/null differ
diff --git a/sound/effects/bortrough-chuff2.ogg b/sound/effects/bortrough-chuff2.ogg
new file mode 100644
index 000000000000..bc21e335800e
Binary files /dev/null and b/sound/effects/bortrough-chuff2.ogg differ
diff --git a/sound/effects/bortrough-die.mp3 b/sound/effects/bortrough-die.mp3
deleted file mode 100644
index c098516a40dc..000000000000
Binary files a/sound/effects/bortrough-die.mp3 and /dev/null differ
diff --git a/sound/effects/bortrough-die.ogg b/sound/effects/bortrough-die.ogg
new file mode 100644
index 000000000000..647c7a2f4d7f
Binary files /dev/null and b/sound/effects/bortrough-die.ogg differ
diff --git a/sound/effects/bortrough-hurt.ogg b/sound/effects/bortrough-hurt.ogg
new file mode 100644
index 000000000000..c807c0abf90c
Binary files /dev/null and b/sound/effects/bortrough-hurt.ogg differ