A 9-year-old female Japanese macaque battled for power in a pack with her mother and four males. In the end, she came out victorious in a hierarchical struggle, but now her power is threatened by a period of mating.
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A young female who lives in a nature reserve in southern Japan has taken control of a herd of 677 Japanese macaques. This monkey became the first leading female in the 70 years of the reserve’s existence. But now her power is under threat, because the mating season has begun and the female leader can be overthrown by the male who cares for her, reports Live Science.