in dense jungle habitat. Fruits are a sparse resource; a large group of orangutans would be unable to obtain sufficient food by feeding at one site. Orangutans, orangutans are one of the five types of great ape, along with chimpanzees, gorillas, bonobos, and humans. OTO (Omie Tour Organizer) provide and design tour packages, specially in Tanjung Puting National Park, Tanjung Keluang Nature Park, Senggora Marine Park, Dayak Tribe, Conservation Education. There are physical differences between the three species of orangutan as well, most apparent in adult males.