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[[Image:White-crested_Hornbill.jpg|thumb|550px|right|Photo by {{user|Tom+Tarrant|Tom Tarrant}}<br />Semuliki NP, [[Uganda]], December 2005 ]] | [[Image:White-crested_Hornbill.jpg|thumb|550px|right|Photo by {{user|Tom+Tarrant|Tom Tarrant}}<br />Semuliki NP, [[Uganda]], December 2005 ]] | ||
'''Alternative name: Long-tailed Hornbill''' | '''Alternative name: Long-tailed Hornbill''' | ||
| − | ;[[:Category: | + | ;[[:Category:Horizocerus|Horizocerus]] albocristatus |
'''Disambiguation''': for the White-crested Hornbill found in south-east Asia, ''Berenicornis comatus'', see [[White-crowned Hornbill]] | '''Disambiguation''': for the White-crested Hornbill found in south-east Asia, ''Berenicornis comatus'', see [[White-crowned Hornbill]] | ||
==Identification== | ==Identification== | ||
| Line 16: | Line 16: | ||
==Taxonomy== | ==Taxonomy== | ||
Three subspecies recognized: | Three subspecies recognized: | ||
| − | * '' | + | * ''H. a. albocristatus'' from southern [[Sierra Leone]] to southern [[Guinea]], [[Liberia]] and in western [[Ivory Coast]] |
| − | * '' | + | * ''H. a. macrourus'' from eastern [[Ivory Coast]] to [[Benin]] |
| − | * '' | + | * ''H. a. cassini'' from [[Nigeria]] to western [[Uganda]] and south to northern [[Angola]] |
| − | + | Fomerly placed this species in the genus ''[[Tockus]]'' or in ''[[Tropicranus]]''. | |
==Habitat== | ==Habitat== | ||
Primary forest with dense tangles. Also in tall gallery and secondary forest.<br /> | Primary forest with dense tangles. Also in tall gallery and secondary forest.<br /> | ||
| Line 28: | Line 28: | ||
Little known about breeding. The nest is placed in a natural cavity in a tree or palm stump. The female seals the entrance with its own droppings. Lays 2 eggs. | Little known about breeding. The nest is placed in a natural cavity in a tree or palm stump. The female seals the entrance with its own droppings. Lays 2 eggs. | ||
==References== | ==References== | ||
| − | #{{Ref- | + | #{{Ref-Clements6thAug15}}#{{Ref-HBWVol6}} |
{{Ref}} | {{Ref}} | ||
==External Links== | ==External Links== | ||
| − | {{GSearch| | + | {{GSearch|Hornbill+albocristatus}} |
| − | [[Category:Birds]] [[Category: | + | [[Category:Birds]] [[Category:Horizocerus]] |
Latest revision as of 16:51, 27 August 2015
Alternative name: Long-tailed Hornbill
- Horizocerus albocristatus
Disambiguation: for the White-crested Hornbill found in south-east Asia, Berenicornis comatus, see White-crowned Hornbill
Identification
70cm. A black hornbill with a very long tail and a distinctive white crest
- Very long, graduated tail with white tip
- Bushy white crest
- Nominate subspecie with white face, cassini with black face, macrourus with white face, throat and upper breast
- Flesh-coloured throat skin
- Blackish bill and casque, basal half of upper mandible yellow in nominate and macrourus, black in cassini
Females are smaller and have a shorter casque ridge. Juveniles have a smaller, greenish bill without casque.
Distribution
Tropical Africa from Guinea in the west to Uganda in the east. South to northern Angola.
Patchily distributed but locally common.
Taxonomy
Three subspecies recognized:
- H. a. albocristatus from southern Sierra Leone to southern Guinea, Liberia and in western Ivory Coast
- H. a. macrourus from eastern Ivory Coast to Benin
- H. a. cassini from Nigeria to western Uganda and south to northern Angola
Fomerly placed this species in the genus Tockus or in Tropicranus.
Habitat
Primary forest with dense tangles. Also in tall gallery and secondary forest.
Occurs up to 1500m.
Behaviour
Feeds mainly on insects but takes also spiders, slugs, lizards, snakes, nestlings and shrews and also fruit which is taken from the ground.
Often follows driver-ants, bird groups or monkeys to hawk for insects disturbed by them.
Little known about breeding. The nest is placed in a natural cavity in a tree or palm stump. The female seals the entrance with its own droppings. Lays 2 eggs.
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- 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
Recommended Citation
- BirdForum Opus contributors. (2024) White-crested Hornbill. In: BirdForum, the forum for wild birds and birding. Retrieved 21 May 2024 from https://www.birdforum.net/opus/White-crested_Hornbill
