Arguably, a more distinct difference between fully mature males and females is that males possess large cheek pads or flanges. Male orangutans have two.
The orangutans are three extant species of great apes native to Indonesia and Malaysia. .. Most social bonds occur between adult females and their dependent and weaned offspring. Adult males and independent adolescents of both sexes.
Wild orangutan fathers play no direct role in the upbringing of their offspring. Non -receptive adult females associate with their young, with other adult females.