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− | [[Image:Black_and_White-casqued_Hornbill.jpg|thumb|550px|right|Photo by {{user|MURAMURA|MURAMURA}} <br />Mpanga Forest, Mpigi, Central [[Uganda]], November 2006]] | + | '''Alternative name: Grey-cheeked Hornbill''' |
− | ;[[:Category: | + | [[Image:Black_and_White-casqued_Hornbill.jpg|thumb|550px|right|Photo © by {{user|MURAMURA|MURAMURA}} <br />Mpanga Forest, Mpigi, Central [[Uganda]], November 2006]] |
− | '' | + | |
+ | ;[[:Category:Bycanistes|Bycanistes]] subcylindricus | ||
+ | ''Ceratogymna subcylindrica'' | ||
==Identification== | ==Identification== | ||
− | + | 60–70 cm (23½-27½ in) | |
− | + | *Black overall plumage | |
+ | *White rump, tail-[[Topography#General Anatomy|coverts]] and underparts | ||
A large black-and-white hornbill. | A large black-and-white hornbill. | ||
====Similar Species==== | ====Similar Species==== | ||
Line 10: | Line 13: | ||
==Distribution== | ==Distribution== | ||
Tropical [[Africa]]; disjunct from [[Ivory Coast]] to [[Uganda]] and northern [[Angola]]. | Tropical [[Africa]]; disjunct from [[Ivory Coast]] to [[Uganda]] and northern [[Angola]]. | ||
+ | [[Image:Black_and_White-casqued_Hornbill_VS.JPG|thumb|350px|right|Male and Female<br />Photo © by {{user|Volker+Sthamer|Volker Sthamer}} <br />Entebbe, [[Uganda]], February-2019]] | ||
+ | |||
==Taxonomy== | ==Taxonomy== | ||
− | ====Subspecies<sup>[[#References|[1]]]</sup> | + | Sometimes included in genus [[:Category:Ceratogymna|Ceratogymna]]. |
− | + | ====Subspecies==== | |
+ | ''Bycanistes subcylindricus'' has two subspecies<sup>[[#References|[1]]]</sup>: | ||
*''B. s. subcylindricus'': | *''B. s. subcylindricus'': | ||
:*[[Ivory Coast]] to [[Nigeria]] (west of Niger River) | :*[[Ivory Coast]] to [[Nigeria]] (west of Niger River) | ||
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==Behaviour== | ==Behaviour== | ||
====Breeding==== | ====Breeding==== | ||
− | They nest in tree cavities. | + | They nest in tree cavities. Two eggs are laid. These birds are long-lived and form life-long partnerships. Females need to know that they can fully rely on their partner as during breeding the female is "bricked -up" into a tree-hole using dried mud/fruit puree/droppings. Here she lays and incubates whilst her partner brings her and her youngster all of their food. When the single youngster is large enough the female breaks out and both adults continue to feed the youngster. |
====Diet==== | ====Diet==== | ||
− | The diet | + | The diet consists of a wide variety of fruit, particularly figs; they also take small animals and insects, including snails and millipedes. |
==References== | ==References== | ||
− | #{{Ref- | + | #{{Ref-Clements6thAug15}}#Avibase |
# Sinclair I & Ryan P. 2003. ''Birds of Africa south of the Sahara''. Princeton University Press. ISBN 0620207299 | # Sinclair I & Ryan P. 2003. ''Birds of Africa south of the Sahara''. Princeton University Press. ISBN 0620207299 | ||
+ | #Handbook of the Birds of the World Alive (retrieved February 2016) | ||
+ | #BF Member observations | ||
{{ref}} | {{ref}} | ||
==External Links== | ==External Links== | ||
− | {{GSearch|Hornbill | + | {{GSearch|"Bycanistes subcylindricus" {{!}} "Ceratogymna subcylindrica" {{!}} "Black-and-white-casqued Hornbill" {{!}}"Black-and-white-casqued Hornbill"}} |
− | [[Category:Birds]] [[Category: | + | {{GS-checked}}1 |
+ | <br /> | ||
+ | <br /> | ||
+ | |||
+ | [[Category:Birds]] [[Category:Bycanistes]] |
Latest revision as of 19:32, 10 August 2023
Alternative name: Grey-cheeked Hornbill
- Bycanistes subcylindricus
Ceratogymna subcylindrica
Identification
60–70 cm (23½-27½ in)
- Black overall plumage
- White rump, tail-coverts and underparts
A large black-and-white hornbill.
Similar Species
Similar to the Brown-cheeked Hornbill and White-thighed Hornbill, but the central tail feathers are black to the tip.
Distribution
Tropical Africa; disjunct from Ivory Coast to Uganda and northern Angola.
Taxonomy
Sometimes included in genus Ceratogymna.
Subspecies
Bycanistes subcylindricus has two subspecies[1]:
- B. s. subcylindricus:
- Ivory Coast to Nigeria (west of Niger River)
- B. s. subquadratus:
Habitat
Forest edge, gallery forest and tall trees in secondary growth, evergreen forests and savanna.
Behaviour
Breeding
They nest in tree cavities. Two eggs are laid. These birds are long-lived and form life-long partnerships. Females need to know that they can fully rely on their partner as during breeding the female is "bricked -up" into a tree-hole using dried mud/fruit puree/droppings. Here she lays and incubates whilst her partner brings her and her youngster all of their food. When the single youngster is large enough the female breaks out and both adults continue to feed the youngster.
Diet
The diet consists of a wide variety of fruit, particularly figs; they also take small animals and insects, including snails and millipedes.
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/
- Avibase
- Sinclair I & Ryan P. 2003. Birds of Africa south of the Sahara. Princeton University Press. ISBN 0620207299
- Handbook of the Birds of the World Alive (retrieved February 2016)
- BF Member observations
Recommended Citation
- BirdForum Opus contributors. (2024) Black-and-white-casqued Hornbill. In: BirdForum, the forum for wild birds and birding. Retrieved 6 May 2024 from https://www.birdforum.net/opus/Black-and-white-casqued_Hornbill
External Links
GSearch checked for 2020 platform.1