There is a world somewhere between reality and fiction. Although ignored by many, it is very real and so are those living in it. This forum is about the natural world. Here, wild animals will be heard and respected. The forum offers a glimpse into an unknown world as well as a room with a view on the present and the future. Anyone able to speak on behalf of those living in the emerald forest and the deep blue sea is invited to join.
IMO, a leopard can kill a young gorilla separated from his pride, but seriously, a leopard would never attack an huge silverback gorilla. As concerns the chimpanzees, their social organisation would dissuade any leopard to be tempted to try something against them or one of them. But of course against an isolated ape...
I remember when I studied in human paleontologie the first humans' life in open biotop like the actual savanna, we took as a reference the actual interactions between leopards and baboons. During the days the leopard is avoiding the prides of baboons patrolling the savanna, the huge males surrounding the females and the cubs, during the night, on the other hand, the leopard has an avantage over the apes...
I saw a documentary about the ouranutans during which it has been said that the male ouranutans were extremely careful when they came into the ground (to drink at a water source) because of the tigers. Now, tigers having almost disappeared - unfortunately - they are more "relaxed".