diff --git a/app/main.py b/app/main.py
index c031efbf..050142d9 100644
--- a/app/main.py
+++ b/app/main.py
@@ -21,3 +21,19 @@ def __repr__(self) -> str:
         return (f"{{Name: {self.name}, "
                 f"Health: {self.health}, "
                 f"Hidden: {self.hidden}}}")
+
+
+class Herbivore(Animal):
+    def hide(self) -> None:
+        self.hidden = False if self.hidden else True
+
+    def bitten(self) -> None:
+        self.health -= 50
+        self.is_dead()
+
+
+class Carnivore(Animal):
+    def bite(self, other: Herbivore) -> None:
+        if not isinstance(other, Herbivore) or other.hidden:
+            return
+        other.bitten()