Here's why:
* Physiological adaptations: Wolves have sharp teeth and powerful jaws designed for tearing and chewing meat. Their digestive system is also adapted to break down animal protein and fat.
* Nutritional needs: Wolves require a high protein diet to fuel their energy needs and support their active lifestyle.
* Hunting instincts: Their natural hunting instincts and skills are honed to target prey animals.
While they might occasionally eat berries or other vegetation, it's not a crucial part of their diet. They gain the necessary nutrients and energy from their meat-based meals.