The Rhinoceros Hornbill (Buceros rhinoceros) is one of the largest hornbills, adults being approximately 91–122 cm long and weighing 2–3 kg. The Rhinoceros Hornbill lives in captivity for up to 90 years. It is found in lowland and montane, tropical and subtropical and in the mountain rain forests up to 1,400 metres altitude in Borneo, Sumatra, Java, the Malay Peninsula, Singapore and southern Thailand