text: from project.animals.animal import Bird
  from project.food import Meat
  
  
  class Owl(Bird):
      __weight_increase = 0.25
  
      @staticmethod
      def make_sound():
          return "Hoot Hoot"
  
      def feed(self, food):
          if not isinstance(food, Meat):
              return f"{self.__class__.__name__} does not eat {food.__class__.__name__}!"
  
          self.eat(food, self.__weight_increase)
  
  
  class Hen(Bird):
      __weight_increase = 0.35
  
      @staticmethod
      def make_sound():
          return "Cluck"
  
      def feed(self, food):
          self.eat(food, self.__weight_increase)