The Rhinoceros hornbill (Buceros rhinoceros), is one of the largest hornbills, adults being approximately the size of a swan, 91–122 cm (36–48 in) long and weighing 2–3 kg (4.4–6.6 lb). In captivity it can live for up to 90 years. It is found in lowland and montane, tropical and subtropical climates and in mountain rain forests up to 1,400 metres altitude in Borneo, Sumatra, Java, the Malay Peninsula, Singapore and southern Thailand.