title: Seasonal sex skin coloration and hormonal fluctuations in free-ranging and captive monkeys.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D003116:Color; D005260:Female; D000882:Haplorhini; D008251:Macaca / Q000502:physiology*; D008253:Macaca mulatta / Q000502:physiology*; D008297:Male; D008598:Menstruation; D012621:Seasons; D012726:Sexual Behavior, Animal / Q000502:physiology*; D012879:Skin Physiological Phenomena; D012919:Social Behavior