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− | {{ | + | [[Image:SwanoBoubour.jpg|thumb|500px|right|Subspecies ''sticturus''<br />Photo by {{user|Rafiki|Rafiki}}<br />Maun, [[Botswana]], June 2017]] |
− | [[ | + | '''Allternative name: Gabon Boubou''' |
+ | |||
;[[:Category:Laniarius|Laniarius]] bicolor | ;[[:Category:Laniarius|Laniarius]] bicolor | ||
− | |||
− | |||
==Identification== | ==Identification== | ||
+ | Length 23–25 cm (9-9¾ in); slightly bigger than [[Southern Boubou]] and [[Tropical Boubou]]. | ||
+ | |||
+ | '''Adult''': Upperparts black with white wing bar. Underparts pure white (diagnostic). | ||
+ | |||
+ | '''Juvenile''': Similar to the adult, but with buff spots above and barring below. | ||
==Distribution== | ==Distribution== | ||
+ | [[Image:SwampBoubou.jpg|thumb|400px|right|Photo by {{user|albert+voigts|albert voigts}}<br />Okavango River, Mahangu Lodge, [[Botswana]], 2006]] | ||
+ | [[Africa]] | ||
+ | '''Western Africa''': [[Cameroon]], [[Equatorial Guinea]], [[Gabon]], [[Congo]], [[Democratic Republic of Congo]], [[Angola]]<br /> | ||
+ | '''Eastern Africa''': [[Zambia]]<br /> | ||
+ | '''Southern Africa''': [[Namibia]], [[Botswana]], [[Zimbabwe]] | ||
==Taxonomy== | ==Taxonomy== | ||
+ | ====Subspecies==== | ||
+ | There are 3 subspecies<sup>[[#References|[1]]]</sup>: | ||
+ | *''L. b. bicolor'': | ||
+ | :* [[Cameroon]] to [[Gabon]] | ||
+ | *''L. b. guttatus'': | ||
+ | :*Western [[Zaire]] and [[Angola]] on the lower Congo River | ||
+ | *''L. b. sticturus'': | ||
+ | :*Southern [[Angola]] to western [[Zambia]], north-eastern [[Namibia]], northern [[Botswana]], western [[Zimbabwe]] | ||
==Habitat== | ==Habitat== | ||
+ | Thickets and swamps; usually near water. | ||
==Behaviour== | ==Behaviour== | ||
− | + | Usually in pairs. | |
+ | ====Diet==== | ||
+ | They mainly eat invertebrates, such as moths, caterpillars, beetles and cicadas. | ||
+ | ====Vocalisation==== | ||
+ | Call is a ''hoouu'' whistle in duet; also harsh rattling alarm calls. | ||
+ | ==References== | ||
+ | #{{Ref-Clements6thAug17}}#{{Ref-SinclairRyan03}}#Handbook of the Birds of the World Alive (retrieved Sept 2017) | ||
+ | {{ref}} | ||
==External Links== | ==External Links== | ||
{{GSearch|Laniarius+bicolor}} | {{GSearch|Laniarius+bicolor}} | ||
− | [[Category:Birds]] | + | [[Category:Birds]][[Category:Laniarius]] |
Latest revision as of 23:56, 3 September 2017
Allternative name: Gabon Boubou
- Laniarius bicolor
Identification
Length 23–25 cm (9-9¾ in); slightly bigger than Southern Boubou and Tropical Boubou.
Adult: Upperparts black with white wing bar. Underparts pure white (diagnostic).
Juvenile: Similar to the adult, but with buff spots above and barring below.
Distribution
Africa
Western Africa: Cameroon, Equatorial Guinea, Gabon, Congo, Democratic Republic of Congo, Angola
Eastern Africa: Zambia
Southern Africa: Namibia, Botswana, Zimbabwe
Taxonomy
Subspecies
There are 3 subspecies[1]:
- L. b. bicolor:
- L. b. guttatus:
- L. b. sticturus:
Habitat
Thickets and swamps; usually near water.
Behaviour
Usually in pairs.
Diet
They mainly eat invertebrates, such as moths, caterpillars, beetles and cicadas.
Vocalisation
Call is a hoouu whistle in duet; also harsh rattling alarm calls.
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Sinclair, I and P Ryan. 2003. Birds of Africa South of the Sahara. Princeton: Princeton Univ. Press. ISBN 978-0691118154
- Handbook of the Birds of the World Alive (retrieved Sept 2017)
Recommended Citation
- BirdForum Opus contributors. (2024) Swamp Boubou. In: BirdForum, the forum for wild birds and birding. Retrieved 23 June 2024 from https://www.birdforum.net/opus/Swamp_Boubou