Harry, a western lowland silverback gorilla who had lived at the Pittsburgh Zoo & Aquarium for most of his 33 years, has died ...

What would you do if you were approached by a silverback mountain gorilla? Watch the amazing footage of this close encounter.

as in victory after a fight or to attract a female gorilla. Finally, casual chest pounding is done to assert themselves as leaders. A silverback gorilla might pound his chest a few times as a ...

When we got to the gorilla cage, there was one big silverback gorilla there just bullying ... Although he may not have gotten to fight the gorilla, he has certainly proven his mettle in the ...