To the untrained ear monkeys of a certain species may all sound the same, but Japanese researchers have found that, like human beings, they actually have an accent depending on where they live.

普通人听来，某种猴子的叫声都是一样的。但日本研究人员发现，其实跟人一样，它们栖息在不同的地区，其口音也不相同。