Gorillas are pretty docile, so unless they feel threatened, they don't fight. But when they do, they use their large fists and their weight to scare off the attacker. If the attacker persists, they usually get whomped by the gorilla.
fight or flight
It would depend on the size of the troop of baboons and the number of hyenas. Generally, hyenas are bigger and stronger, but baboons are more agile and intelligent. It could go either way depending on the specific circumstances of the encounter.
None, a group of Baboons is called a Troop.
Baboons are not extinct.
Possibly driven out after losing a fight for dominance. Usually, they are allowed to stay within the group, however.
Baboons
The collective nouns for baboons is a congress, a rumpus, or a tribe of baboons.
Technically, there are baboons in zoos in Vietnam, but if you mean natively, then yes. There are baboons in Vietnam
A Baboons prey is a polar bear
Baboons are about 80-90 pounds.
baboons are the most intelligent monkey
baboons are the most intelligent monkey