It is quite colorful out there – among the animals. It is the matter of glimmering sex, camouflage, deception, and warning, and this according to all the rules of the animal color theory. Aim: Life! There exists everything the physical color spectrum can offer.
Oh well, mammals are rather pale. Probably because they are tending to color blindness. The mandrill is the exception of the norm. At the harem boss, yellow, green-brown, red, and light blue meet very intensely. This is a face that you won't forget.