This is the worlds largest Silverback Gorilla

This is the worlds largest Silverback Gorilla in captivity weighing in at 860 pounds! The gorilla is beating his chest as a warning signal to the younger gorillas to back off or they will be engaged in a battle. Most of the time the younger ones will retreat. #Gorilla,#Silverback,#younger gorillas,gorilla attack,mountain gorilla,silverback gorilla,gorilla fight,wild animals