For the first time in 70 years, an alpha female macaque appears in a flock of 677 monkeys in Japan

A nine-year-old female Yakei defeated Sanchu on her way to leadership, a 31-year-old alpha male who for five

years was the leader of the pack.

Surprised zoo staff earlier for hisAn alpha female has not been seen for 70 years. To check the status of the Yakei, they conducted the so-called peanut test: they laid out the nuts and saw who would start eating them first. Sanchu refused food and gave Yakei the right to taste the nuts first, confirming her status as a leader.

Since then, Yakei began to climb trees and shakethem, which was a manifestation of strength and was rarely seen in females, said guide Satoshi Kimoto in an interview. Around April, Yakei began exhibiting behavior similar to that of males, such as walking with her tail up.

Usually female monkeys do not oppose males. I have no idea why she became # 1. The world of macaques may be changing.

Satoshi Kimoto, zoo guide

The unusualness of the events that have taken place is also confirmed by representatives of the Japan Center for the Study of Monkeys.

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