The newborn Japanese macaque, offspring of 12-year-old Usagi and 10-year-old Kota, made its public debut hours after birth on Macaque Island. An addition to the Milwaukee County Zoo's macaque family arrived when Usagi, a 12-year-old Japanese macaque ...

Local authorities in Japan's Yamaguchi city said Monday they are turning to tranquilizer guns to confront marauding monkeys that have injured 42 people in recent weeks. Japanese macaques are seen commonly across large parts of the country, and are a pest ...

Game without rewards: Monkeys played a touchscreen hide-and-seek game for up to 100 trials without food incentives, showing strong curiosity-driven engagement. Goldilocks principle: They favored medium unpredictability over low or high, aligning with the ...