Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. The males have red or orange eyes whilst the females have white eyes. Therefore, it is listed as Vulnerable.ĭecreasing Extent of occurrence (breeding/resident):īirdLife International (2023) Species factsheet: Buceros rhinoceros. The rhinoceros hornbill (Buceros rhinoceros) is one of the largest of the hornbills. The weight varies by sex, with males weighing around 2,465 to 2,960 g (87.0104.4 oz) and the females 2,040 to 2,330 g (7282 oz). The species is thus suspected to undergo a large population reduction over the next three generations. The rhinoceros hornbill is a large arboreal hornbill, 80 to 90 cm (3135 in) long. The great hornbill, a member of the hornbill family, is the official state bird of Kerala, an Indian state. The Rhinoceros hornbill is the official state animal of Sarawak, a Malaysian state located in Borneo. ![]() ![]() Even though the species is widespread within its range, high hunting pressure is exacerbating the population decline caused by habitat loss. Hornbill was used as the official mascot of one of Malaysia's political parties, the Democratic Action Party. The Rhinoceros Hornbills name is inspired by its large casque, a feature resembling a helmet on its bill that it shares with some prehistoric dinosaur. Justification of Red List category This species is largely restricted to extensive tracts of primary evergreen forest within a region experiencing high rates of deforestation. The largest species have wingspans of over 1.5 m and weigh as much as 6 kg (in the case of the Southern ground hornbill Bucorvus leadbeateri ) some (the Great hornbill Buceros bicornis and. Click here for more information about the Red List categories and criteria
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