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| | Very large with a downwardly curved bill and block-like casque on top of the head and bill. Males have a rufous head and underparts with black back and wings, females are dark brown to black all over. There is a ring of bare, blue skin around the red eyes and the bill is yellow with black and white stripes. | | Very large with a downwardly curved bill and block-like casque on top of the head and bill. Males have a rufous head and underparts with black back and wings, females are dark brown to black all over. There is a ring of bare, blue skin around the red eyes and the bill is yellow with black and white stripes. |
| | ==Distribution== | | ==Distribution== |
| | + | [[Image:Debapratim Saha copy2.jpg|thumb|350px|right|Photo by {{user|Debapratim+Saha|Debapratim Saha}}<br />[[Mahananda Wildlife Sanctuary]], Darjeeling, [[India]], March 2012]] |
| | Himilayan foothils of [[Bhutan]], north-east [[India]], [[Burma]], southern [[Yunnan]] ([[China]]) and south-east [[Tibet]], north and western [[Thailand]], northern [[Laos]] and northwest [[Vietnam]].<br /> | | Himilayan foothils of [[Bhutan]], north-east [[India]], [[Burma]], southern [[Yunnan]] ([[China]]) and south-east [[Tibet]], north and western [[Thailand]], northern [[Laos]] and northwest [[Vietnam]].<br /> |
| | Extinct in [[Nepal]] and in northwest [[Thailand]], rare and declining in most parts of its range. Threatened with habitat loss. | | Extinct in [[Nepal]] and in northwest [[Thailand]], rare and declining in most parts of its range. Threatened with habitat loss. |
| | ==Taxonomy== | | ==Taxonomy== |
| | This is a [[Dictionary_M-S#M|monotypic]] species.<sup>[[#References|[1]]]</sup> | | This is a [[Dictionary_M-S#M|monotypic]] species.<sup>[[#References|[1]]]</sup> |
| - | | |
| | ==Habitat== | | ==Habitat== |
| | Mature, dense, evergreen and broadleaved forest, mainly in the hills up to altitudes of 1,800 metres. | | Mature, dense, evergreen and broadleaved forest, mainly in the hills up to altitudes of 1,800 metres. |
Current revision
- Aceros nipalensis
[edit] Identification
Very large with a downwardly curved bill and block-like casque on top of the head and bill. Males have a rufous head and underparts with black back and wings, females are dark brown to black all over. There is a ring of bare, blue skin around the red eyes and the bill is yellow with black and white stripes.
[edit] Distribution
Himilayan foothils of Bhutan, north-east India, Burma, southern Yunnan (China) and south-east Tibet, north and western Thailand, northern Laos and northwest Vietnam.
Extinct in Nepal and in northwest Thailand, rare and declining in most parts of its range. Threatened with habitat loss.
[edit] Taxonomy
This is a monotypic species.[1]
[edit] Habitat
Mature, dense, evergreen and broadleaved forest, mainly in the hills up to altitudes of 1,800 metres.
[edit] Behaviour
It nests in large trees. The female spends four months of every year incarcerated within a nest in a hollow tree. She seals herself into the hole, using semi-digested leaves, oil globules, and regurgitated mud. A slit-shaped entrance is left through which the male feeds the female and their chicks. 2 eggs are laid in April. After a total of 125 days of incarceration, the female breaks the nest's seal and leaves, the chicks following shortly afterwards.
The diet includes nutmegs, pears and figs, and also crabs, beetles, cicadas, lizards, earthworms, frogs and birds.
[edit] References
- Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
- Del Hoyo, J, A Elliot, and J Sargatal, eds. 2001. Handbook of the Birds of the World. Volume 6: Mousebirds to Hornbills. Barcelona: Lynx Edicions. ISBN 978-8487334306
[edit] External Links
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