![]() ![]() Rhinoceros hornbills have black plumage, all black wings, a white vent, and a long white tail with a black band in the center. In the great hornbill ( Buceros bicornis), the species most closely related to the rhinoceros hornbill, males can be up to 150 centimeters in length, so it likely that male rhinoceros hornbills can also reach this length. Another study in Thailand reported females to have an average mass of 2,180 grams. A study on the island of Sumatra found that they typically weigh between 2,180 and 2,580 grams. Rhinoceros hornbills are large forest-dwelling birds. ( Anggraini, et al., 2000 Chaisuriyanun, et al., 2011 Das and Tuen, 2016 Franco and Minggu, 2019 Jambari, et al., 2012 Mansor and Sah, 2012 Misni, et al., 2017) However, this is likely a last resort when nearby forests have been disturbed. There are reports of Buceros rhinoceros inhabiting smallholdings consisting of palm oil and other crops in Malaysia. If undisturbed habitat is unavailable, they will inhabit tall secondary forests and slightly disturbed areas. Rhinoceros hornbill habitat usually contains large, mature trees and fruit-bearing trees that are required for nesting and feeding. ![]() Rhinoceros hornbills are typically found in primary, lowland rainforests, hill dipterocarp forests, mountainous forests, and swamp forests within elevations of 130 to 1500 meters. ( Chamutpong, et al., 2013 Das and Tuen, 2016) Rhinoceros hornbills formerly inhabited Singapore but are now extinct on the island. Off the mainland, they inhabit the islands of Borneo, Sumatra, and Java. On the Malay Peninsula of the Asian mainland, they inhabit Malaysia, along with southern Thailand and Myanmar. Rhinoceros hornbills are found in Southeast Asia.
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