Fill in the Blanks Orang UtanOnline version Fill in the blank by Hero Rojaul Khoir, S.S 1 forests solitary found native distinctive vegetation dependent diet attract resemble species Orangutans are great apes to Indonesia and Malaysia . They are found in the rain of Borneo and Sumatra . There are three of orangutan . The Bornean Orangutan can be in Kalimantan , Indonesia and Sarawak and Sabah in Malaysia . The Sumatran orangutan and the Tapanuli Orangutan are both only found in Sumatra , Indonesia . Orangutans spend most of their time in trees . They have rather long arms and short legs and their hair is reddish - brown . Adult males may develop cheek pads . They make long calls that females and intimidate rivals . Younger males do not adult females . Orangutans are the most of the great apes . Social bonding takes place primarily between mothers and their offspring , who remain together for the first two years . Fruit is the most important component of an orangutan's , but the apes will also eat , bark , honey , insects and bird eggs . They can live over 30 years both in the wild and in captivity .