They tend to be quiet, relatively shy and spend most of the day eating and resting. They can solve problems related to arboreal travel and food processing, trained to perform tricks and communicate with sign language to ask for items of interest, such as food and contact. Comments about the orangutans of the Fort Worth Zoo. The current orangutans are from Indonesia. For more clarification, a hybrid orangutan's DNA is the makeup of both a Bornean and Sumatran orangutan's genes.
Male orangutans are less aggressive to each other since they have adapted to living in captivity.
The slow development of cheek pads keep them younger and less aggressive. Some were resting on the wooden apparatus while surprisingly, others were on the ground resting in a group. Since these animals are used to living in captivity, they were not excited to see people or to mimic people's gestures. The male and female orangutans at the zoo were not big in size. In fact, only one male had really developed cheek pads.