diff --git a/bee.lua b/bee.lua
index 782cd4a..a0bcd82 100644
--- a/bee.lua
+++ b/bee.lua
@@ -50,6 +50,7 @@ mobs:spawn({
 	min_light = 10,
 	chance = 9000,
 	min_height = 0,
+	max_height = 200,
 	day_toggle = true,
 })
 
@@ -93,7 +94,7 @@ minetest.register_node(":mobs:beehive", {
 
 	after_place_node = function(pos, placer, itemstack)
 
-		if placer:is_player() then
+		if placer and placer:is_player() then
 
 			minetest.set_node(pos, {name = "mobs:beehive", param2 = 1})
 
diff --git a/bunny.lua b/bunny.lua
index 0259fb8..108dffc 100644
--- a/bunny.lua
+++ b/bunny.lua
@@ -117,7 +117,8 @@ mobs:spawn({
 	nodes = {spawn_on},
 	min_light = 10,
 	chance = 15000,
-	min_height = 0,
+	min_height = 5,
+	max_height = 200,
 	day_toggle = true,
 })
 
diff --git a/chicken.lua b/chicken.lua
index 74740b1..d19ebef 100644
--- a/chicken.lua
+++ b/chicken.lua
@@ -99,6 +99,7 @@ mobs:spawn({
 	chance = 15000,
 	active_object_count = 2,
 	min_height = 0,
+	max_height = 200,
 	day_toggle = true,
 })
 
diff --git a/cow.lua b/cow.lua
index 95176be..545be46 100644
--- a/cow.lua
+++ b/cow.lua
@@ -113,7 +113,7 @@ mobs:spawn({
 	min_light = 10,
 	chance = 15000,
 	min_height = 0,
-	max_height = 31000,
+	max_height = 200,
 	day_toggle = true,
 })
 
diff --git a/kitten.lua b/kitten.lua
index 595471d..5be8e90 100644
--- a/kitten.lua
+++ b/kitten.lua
@@ -59,7 +59,7 @@ mobs:spawn({
 	min_light = 12,
 	chance = 22000,
 	min_height = 0,
-	max_height = 31000,
+	max_height = 200,
 	day_toggle = true,
 })
 
diff --git a/penguin.lua b/penguin.lua
index ceeed77..caf4d43 100644
--- a/penguin.lua
+++ b/penguin.lua
@@ -64,6 +64,7 @@ mobs:spawn({
 	min_light = 10,
 	chance = 20000,
 	min_height = 0,
+	max_height = 200,
 	day_toggle = true,
 })
 
diff --git a/sheep.lua b/sheep.lua
index e67325b..2da35d1 100644
--- a/sheep.lua
+++ b/sheep.lua
@@ -201,7 +201,7 @@ mobs:spawn({
 	min_light = 10,
 	chance = 15000,
 	min_height = 0,
-	max_height = 31000,
+	max_height = 200,
 	day_toggle = true,
 })
 
diff --git a/warthog.lua b/warthog.lua
index 3d8f635..c3c198e 100644
--- a/warthog.lua
+++ b/warthog.lua
@@ -70,7 +70,7 @@ mobs:spawn({
 	min_light = 10,
 	chance = 15000,
 	min_height = 0,
-	max_height = 31000,
+	max_height = 200,
 	day_toggle = true,
 })