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White-bellied bustard
	Male calling at Maasai Mara, Kenya
Conservation status
	; Least Concern (IUCN 3.1)
	CITES Appendix II (CITES)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Otidiformes
Family:	Otididae
Genus:	Eupodotis
Species:	E. senegalensis
Binomial name
	Eupodotis senegalensis; (Vieillot, 1821)
Synonyms
	Eupodotis barrowii; Eupodotis cafra

The white-bellied bustard or white-bellied korhaan (Eupodotis senegalensis) is an African species of bustard. It is widespread in sub-Saharan Africa in grassland and open woodland habitats.^[3] Despite its wide distribution and easily identifiable characteristics, very few studies have been conducted on this species and little is known about its life history and behavior.

Description

It is one of the smaller bustards, 48 to 61 centimetres (19 to 24 in) long.^[4] All are tawny brown above and on the breast and white on the belly, with cream-coloured legs; juveniles have light brown necks and heads, and adults have blue-grey necks. The adult female has a grey crown, a brown and buff line below the eye, and black speckling on the throat. The adult male has a black crown, black lines on the white cheeks, a black throat patch, and a pinkish-red bill. This species exhibits sexual dimorphism; the males are larger than the females.^[5] The call, often given in the early morning and late evening, has been described as "a very loud, guttural k'whuka WHUKa, k'wuka WHUKa..., or k'warrak, k'warrak...^[6]^[4]

This species is usually seen in pairs or family groups, as young stay with their parents much longer than those of other bustards in the region.^[6]

Taxonomy

White-bellied bustards are one of the 26 recognized species of bustards in the Family Otididae (bustards, floricans, korhaans). The species was first named Eupodotis caffra, but was later renamed Eupodotis senegalensis.^[7] They are most closely related to the Blue bustard ( Eupodotis caerulescens, sometimes called Blue korhaan). Although taxonomists have sometimes included other bustard species in Eupodotis, the White-bellied and Blue bustard are currently recognized as the only two species of this Genus.^[8]

Subspecies

The species is subdivided into subspecies based on distribution and visual differences. The color of the feathers, beak, and legs can be different, as well as the breeding and foraging areas.^[7]

Five subspecies are recognized:^[9]

E. s. senegalensis (Vieillot, 1820) – southwestern Mauritania and Guinea, east to Central African Republic, central Sudan, and perhaps Eritrea (Senegal bustard)
E. s. canicollis (Reichenow, 1881) – Ethiopia south to northeastern Tanzania
E. s. erlangeri (Reichenow, 1905) – southern Kenya and western Tanzania
E. s. mackenziei C.M.N. White, 1945 – eastern Gabon and central Democratic Republic of the Congo to Zambia, Angola and northern Namibia
E. s. barrowii (J.E. Gray, 1829) – Botswana, Eswatini, South Africa, and Lesotho

This last subspecies is sometimes referred to as its own species (E. barrowii, Barrow's bustard, or Barrow's korhaan), but there have not been enough studies done on the population to confirm its status.^[7]^[10]

Habitat and distribution

White-bellied bustards are found exclusively on the African continent. Apart from smaller isolated groups, their large range is generally separated in four zones with distinct populations:^[7]

Southeastern Botswana to Eastern South Africa and Eswatini (E. s. barrowii subspecies)
Southeastern Gabon down to Angola and Western Zambia (E. s. mackenziei subspecies)
Northern Ethiopia and Somalia, Northeast Uganda, Across Western Kenya and Tanzania ( E. s. canicollis and E. s. erlangeri subspecies)
Across West Africa, from Senegal and Gambia, South to Côte d'Ivoire, and East to Central and Southern Sudan (E. s. senegalensis subspecies)

Habitat

White-bellied bustards enjoy mostly tall grasslands and savannah. They prefer open areas or bushland with dwarf trees. The West African population is better adapted to more arid weather conditions, and sometimes ventures into the desert during the rainy season. Other populations stick to greener areas of dense tall grass and can also be seen in river plains or cultivated areas. Individuals have been recorded at high elevation (up to 2 000 meters above sea level) in certain parts of Eastern Africa, but most sightings are at 1 500 meter elevations or less, depending on the weather patterns of each region. ^[7]

Home range

Home ranges or territories for breeding pairs or groups of White-bellied bustards are estimated to be around 40 ha but in certain areas groups were observed to stay 100 ha from each other, potentially indicating a bigger territory.

Behavior

Vocalizations

The White-bellied bustard's calls can be heard year-round, mostly at dusk or dawn or during rainfall. Both males and females vocalize. The most recognizable of its sounds is a croaking call (a guttural "kuk-kur-ruk" or "kuk-kaaah"), which is used in territorial defense among other purposes. This very loud sound can be heard form a distance and often triggers responses from other bustard groups far away.^[7]

Diet

White-belied bustards are considered omnivores, as most other species of bustards. They usually eat small invertebrates (mainly beetles, but also termites, locusts, caterpillars, spiders) and plants (seeds, bulbs, berries, flowers). These birds forage by moving low to the ground to find food, sometimes in recently burnt areas.^[7]

Reproduction

Breeding

Most aspects of this species' breeding and mate selection are currently unknown. The time of year at which they breed varies greatly depending on the region and subspecies; from March - June in Northeast Africa to October - February in South Africa. Nests are usually a simple unlined scrape in the ground and situated in or under vegetation so that the eggs, chicks, and female can be hidden from predators. This way, the female can leave the nest and escape to safety without drawing attention to its eggs if she is in danger. ^[7]

Eggs

The White-bellied bustard's eggs are pale to dark olive-colored with darker brown or gray markings. They are usually laid in clutches of one to three.^[11] The eggs are incubated by the female. The incubation period is about 23 days in captivity, but has not been studied in the wild.^[7]

Status and conservation

The species is considered "Least concern" by the IUCN () due to their large range. In South Africa, White-bellied bustards populations have been classified as "Vulnerable" by the SANBI in 2015 due to local population decline.^[12] Human-induced land use change through agriculture, overgrazing, grass burning, and urbanisation are thought to be the main causes of this decline.^[13] ^[14]

Captive breeding

In certain countries, White-bellied bustard chicks have been successfully raised until adulthood in captivity (mostly during the 1990's).^[15] There are specific guidelines to be respected by zoos and scientific facilities in these cases.^[16] The blood composition,^[17] bone structure,^[18] and internal organ structure^[5]of White-bellied bustards has been studied at different life stages to improve care for injured or sick individuals in captivity.

References

^ BirdLife International (2016). "Eupodotis senegalensis". IUCN Red List of Threatened Species. 2016: e.T22691996A93332403. doi:10.2305/IUCN.UK.2016-3.RLTS.T22691996A93332403.en. Retrieved 12 November 2021.
^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
^ Sibley, Charles G.; Monroe, Burt L. Jr. (1990), Distribution and Taxonomy of Birds of the World, Yale University Press, p. 217, ISBN 0-300-04969-2, retrieved 2010-03-24
^ ^a ^b "White-bellied Bustard | Eupodotis senegalensis | Species Guide | Birda". Birda: Birdwatching Community. Retrieved 2024-10-15.
^ ^a ^b Bailey, T. A.; Mensah‐Brown, E. P.; Samour, J. H.; Naldo, J.; Lawrence, P.; Garner, A. (October 1997). "Comparative morphology of the alimentary tract and its glandular derivatives of captive bustards". Journal of Anatomy. 191 (3): 387–398. doi:10.1046/j.1469-7580.1997.19130387.x. ISSN 0021-8782. PMC 1467696. PMID 9418995.
^ ^a ^b Zimmerman, Dale A.; Turner, Donald A.; Pearson, David J. (1999), Birds of Kenya and Northern Tanzania, Princeton University Press, pp. 76–77, 328, ISBN 0-691-01022-6
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Kirwan, Guy M.; Collar, Nigel; Garcia, Ernest; Boesman, Peter F. D. (2021). "White-bellied Bustard (Eupodotis senegalensis), version 2.0". Birds of the World. doi:10.2173/bow.whbbus2.02species_shared.bow.project_name. ISSN 2771-3105.
^ Cohen, C. (2011). The phylogenetics, taxonomy and biogeography of African arid zone terrestrial birds : the bustards (Otididae), sandgrouse (Pteroclidae), coursers (Glareolidae) and Stone Partridge (Ptilopachus). (Thesis). University of Cape Town ,Faculty of Science ,Department of Biological Sciences. http://hdl.handle.net/11427/10316
^ White-bellied Bustard, Internet Bird Collection
^ "Eupodotis [senegalensis or barrowii] (White-bellied or Barrow's Bustard) - Avibase". avibase.bsc-eoc.org. Retrieved 2024-10-15.
^ de Klerk de Klerk, W. (November 1941). "2. NOTES ON KORHAANS, THE BLUE CRANE, AND SOME PLOVERS of the Adelaide District". The Ostrich. 12 (2): 75–81. doi:10.1080/00306525.1941.9634635. ISSN 0030-6525.
^ RED LIST OF SOUTH AFRICAN SPECIES (January 2015). "Eupodotis senegalensis (Vieillot, 1821)". SANBI. Retrieved October 14, 2024.
^ Allan, D. G. (2005). Roberts birds of southern Africa (PDF). pp. 304–305.
^ Moreira, Francisco (2004-06-01). "Distribution patterns and conservation status of four bustard species (Family Otididae) in a montane grassland of South Africa". Biological Conservation. 118 (1): 91–100. doi:10.1016/j.biocon.2003.07.011. ISSN 0006-3207.
^ Bailey, Tom A.; Naldo, Jesus; Samour, Jaime H.; Sleigh, Ian M.; Howlett, Judith C. (1997). "Bustard Pediatric Diseases: A Review of Clinical and Pathologic Findings". Journal of Avian Medicine and Surgery. 11 (3): 166–174. ISSN 1082-6742.
^ AZA Gruiformes TAG. 2020. Bustard (Otididae) Care Manual (2nd ed.). Association of Zoos and Aquariums, Silver Spring, MD. https://assets.speakcdn.com/assets/2332/bustard_care_manual_second_edition_2020.pdf
^ Bailey, T. A.; Wernery, U.; Naldo, J.; Howlett, J.; Samour, J. H. (1998-06-01). "Normal blood chemistry and age-related changes in the white-bellied bustard (Eupodotis senegalensis), with some clinical observations". Comparative Haematology International. 8 (2): 61–65. doi:10.1007/BF02642492. ISSN 1433-2973.
^ Naldo, J. L.; Bailey, T. A.; Samour, J. H. (2000-12-01). "Radiographic analysis of the growth rate of long bones in bustards". Research in Veterinary Science. 69 (3): 233–240. doi:10.1053/rvsc.2000.0416. ISSN 0034-5288.

White-bellied bustard, Birdlife International

External links

White-bellied bustard - Species text in The Atlas of Southern African Birds
White-bellied Bustard Eupodotis senegalensis Ebird
White-bellied bustard BIRDA page with range map
White-bellied bustard (female) Macaulay Library
Eupodotis senegalensis IUCN Red List assessment

This Otidiformes-related article is a stub. You can help Wikipedia by expanding it.

[iucn_status_12_November_2021-1] BirdLife International (2016). "Eupodotis senegalensis". IUCN Red List of Threatened Species. 2016: e.T22691996A93332403. doi:10.2305/IUCN.UK.2016-3.RLTS.T22691996A93332403.en. Retrieved 12 November 2021.

[2] "Appendices | CITES". cites.org. Retrieved 2022-01-14.

[3] Sibley, Charles G.; Monroe, Burt L. Jr. (1990), Distribution and Taxonomy of Birds of the World, Yale University Press, p. 217, ISBN 0-300-04969-2, retrieved 2010-03-24

[:2-4] "White-bellied Bustard | Eupodotis senegalensis | Species Guide | Birda". Birda: Birdwatching Community. Retrieved 2024-10-15.

[:0-5] Bailey, T. A.; Mensah‐Brown, E. P.; Samour, J. H.; Naldo, J.; Lawrence, P.; Garner, A. (October 1997). "Comparative morphology of the alimentary tract and its glandular derivatives of captive bustards". Journal of Anatomy. 191 (3): 387–398. doi:10.1046/j.1469-7580.1997.19130387.x. ISSN 0021-8782. PMC 1467696. PMID 9418995.

[ZTP-6] Zimmerman, Dale A.; Turner, Donald A.; Pearson, David J. (1999), Birds of Kenya and Northern Tanzania, Princeton University Press, pp. 76–77, 328, ISBN 0-691-01022-6

[:1-7] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Kirwan, Guy M.; Collar, Nigel; Garcia, Ernest; Boesman, Peter F. D. (2021). "White-bellied Bustard (Eupodotis senegalensis), version 2.0". Birds of the World. doi:10.2173/bow.whbbus2.02species_shared.bow.project_name. ISSN 2771-3105.

[8] Cohen, C. (2011). The phylogenetics, taxonomy and biogeography of African arid zone terrestrial birds : the bustards (Otididae), sandgrouse (Pteroclidae), coursers (Glareolidae) and Stone Partridge (Ptilopachus). (Thesis). University of Cape Town ,Faculty of Science ,Department of Biological Sciences. http://hdl.handle.net/11427/10316

[9] White-bellied Bustard, Internet Bird Collection

[10] "Eupodotis [senegalensis or barrowii] (White-bellied or Barrow's Bustard) - Avibase". avibase.bsc-eoc.org. Retrieved 2024-10-15.

[11] Klerk de Klerk, W. (November 1941). "2. NOTES ON KORHAANS, THE BLUE CRANE, AND SOME PLOVERS of the Adelaide District". The Ostrich. 12 (2): 75–81. doi:10.1080/00306525.1941.9634635. ISSN 0030-6525.

[12] RED LIST OF SOUTH AFRICAN SPECIES (January 2015). "Eupodotis senegalensis (Vieillot, 1821)". SANBI. Retrieved October 14, 2024.

[13] Allan, D. G. (2005). Roberts birds of southern Africa (PDF). pp. 304–305.

[14] Moreira, Francisco (2004-06-01). "Distribution patterns and conservation status of four bustard species (Family Otididae) in a montane grassland of South Africa". Biological Conservation. 118 (1): 91–100. doi:10.1016/j.biocon.2003.07.011. ISSN 0006-3207.

[15] Bailey, Tom A.; Naldo, Jesus; Samour, Jaime H.; Sleigh, Ian M.; Howlett, Judith C. (1997). "Bustard Pediatric Diseases: A Review of Clinical and Pathologic Findings". Journal of Avian Medicine and Surgery. 11 (3): 166–174. ISSN 1082-6742.

[16] AZA Gruiformes TAG. 2020. Bustard (Otididae) Care Manual (2nd ed.). Association of Zoos and Aquariums, Silver Spring, MD. https://assets.speakcdn.com/assets/2332/bustard_care_manual_second_edition_2020.pdf

[17] Bailey, T. A.; Wernery, U.; Naldo, J.; Howlett, J.; Samour, J. H. (1998-06-01). "Normal blood chemistry and age-related changes in the white-bellied bustard (Eupodotis senegalensis), with some clinical observations". Comparative Haematology International. 8 (2): 61–65. doi:10.1007/BF02642492. ISSN 1433-2973.

[18] Naldo, J. L.; Bailey, T. A.; Samour, J. H. (2000-12-01). "Radiographic analysis of the growth rate of long bones in bustards". Research in Veterinary Science. 69 (3): 233–240. doi:10.1053/rvsc.2000.0416. ISSN 0034-5288.

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PROFILPELAJAR.COM

White-bellied bustard

Description

Taxonomy

Subspecies

Habitat and distribution

Habitat

Home range

Behavior

Vocalizations

Diet

Reproduction

Breeding

Eggs

Status and conservation

Captive breeding

References

External links

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