Formosan rock monkeys have an average lifespan of over 20 years. They begin their three-month mating season in October, and give birth from April on.
獼猴平均壽命可以超過二十歲，每年十月，金風送爽，獼猴求偶期展開，春暖花開的四、五月起，「猴囝仔」陸續呱呱墜地。