Taxobox
name = White-crested Hornbill
image_caption = "Tropicranus a. albocristatus" in Central Park Zoo, USA.
status = LC | status_system = IUCN3.1
regnum = Animalia
phylum = Chordata
classis = Aves
ordo = Coraciiformes
familia = Bucerotidae
genus = "Tropicranus"
genus_authority = Sclater, 1922
species = "T. albocristatus"
binomial = "Tropicranus albocristatus"
binomial_authority = (Cassin, 1848)
synonyms = "Tockus albocristatus" "Berenicornis albocristatus"
: "This article is about the African species. For the Asian species sometimes known as the White-crested Hornbill, see White-crowned Hornbill."The White-crested Hornbill ("Tropicranus albocristatus"), also known as the Long-tailed Hornbill, is a species of hornbill (family Bucerotidae) found in humid forests of Central and West Africa. It is monotypic within the genus "Tropicranus", but is sometimes included in the genus "Tockus" instead.
Taxonomy
There are three subspecies,[cite web | url =http://www.zoonomen.net/avtax/buce.html |title = Zoological Nomenclature Resource: Bucerotiformes (Version 9.004) |date =2008-07-05 |publisher = www.zoonomen.net ] which primarily differ in the amount of white to their head and neck, the presence/absence of white tips to the wing-coverts, and the presence/absence of a pale patch on the bill:]* "Tropicranus albocristatus albocristatus" (Cassin, 1848) - Guinea to the Ivory Coast.
* "Tropicranus albocristatus cassini" (Finsch, 1903) - Nigeria east to Uganda and south to Angola.
* "Tropicranus albocristatus macrourus" (Bonaparte, 1850) - Ivory Coast and Ghana.
Range
The White-crested Hornbill has a large range in Africa across Angola, Benin, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Gabon, Ghana, Guinea, Guinea-Bissau, Liberia, Nigeria, Sierra Leone, Togo, and Uganda. It is frequent in parts of its range. Although its population is difficult to estimate, it is not thought to be threatened. [BirdLife International 2004. [http://www.iucnredlist.org/search/details.php/47596/all Tropicranus albocristatus] . [http://www.iucnredlist.org 2006 IUCN Red List of Threatened Species. ] Downloaded on 24 July 2007.]
References
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