Do apes, primates, or monkeys ever use or create weapons?

You have already had the obvious answer. We humans are apes, and primates. Still, I know what you really mean. Chimpanzees throw sticks, but more as a display or a distraction, not really as a weapon. Monkeys often throw things from the trees at some animal down below that they don't like. read more

A human is a type of great ape. Our use of weapons converts us from prey into predators. It seems that chimps are capable of making stone tools. 4,300-Year-old chimpanzee sites and the origins of percussive stone technology. and chimps have been observed using tools and weapons for hunting. read more

Chimpanzees living in the West African savannah have been observed fashioning deadly spears from sticks and using the tools to hunt small mammals -- the first routine production of deadly weapons ever observed in animals other than humans. read more

It turns out that it is a pan-human response. Humans who do live in forests tend to live at an edge, near a river, in a clearing, and raid the forest for resources. The apes who have survived to this day, tend to live deep in the forests. Gorilla, chimps, orangutan are all deep forest dwellers. read more