In ancient times, monkeys were called apes, monkeys, monkeys, monkeys, monkeys, monkeys, monkeys, monkeys, monkeys, monkeys, monkeys, monkeys, monkeys, monkeys, monkeys. Monkeys do not form a "natural group", and there are 262 known species of monkeys. In addition, because apes are similar to monkeys, chimpanzees and gibbons are often called monkeys informally, but biologists don't think they are monkeys. This is different from the appearance differences caused by different types.

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