Dominant females have been known to kidnap the infants of subordinates. Sexual maturity normally occurs within 3-4 years. Macaques can live 20-40 years. The rhesus macaque has adapted to life in cities. Some rhesus are fed by humans near Hindu temples in India.
Macaques are the most common monkey used in biomedical research.
Tibetan macaques are fed near temples in China. Japanese macaques live at the northernmost latitude of any nonhuman primate. They are good swimmers and make use of natural hot springs to keep warm in winter. Field research on Japanese macaques revealed the first known case of cultural innovation in nonhuman primates. They have been officially protected in Japan since 1947.