Why Do Gorillas Fight | Why Do Silverbacks Fight | Gorilla Gorillas primarily fight to establish dominance, protect their troop from threats (including rival males), or secure mating rights. These violent, often fatal, clashes usually involve silverbacks defending their territory or, rarely,, fighting for food. While generally peaceful, they can become aggressive to protect their families. This video shows how silverback gorillas fight for dominance #fblifestyle | Jerry Adriko