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Lesser flamingo
	At Lake Nakuru, Kenya
Conservation status
	; Near Threatened (IUCN 3.1)
	CITES Appendix II (CITES)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Phoenicopteriformes
Family:	Phoenicopteridae
Genus:	Phoeniconaias
Species:	P. minor
Binomial name
	Phoeniconaias minor; (Geoffroy Saint-Hilaire, É, 1798)
Synonyms
	Phoenicopterus minor Geoffroy Saint-Hilaire, 1798 ; Phoeniconaias minor George Robert Gray, 1869;

The lesser flamingo (Phoeniconaias minor) is a species of flamingo occurring in sub-Saharan Africa and western India.^[4] Birds are occasionally reported from further north, but these are generally considered vagrants.

Characteristics

The lesser flamingo is the smallest species of flamingo, though it is a tall and large bird by most standards. The species can weigh from 1.2 to 2.7 kg (2.6 to 6.0 lb).^[5] The standing height is around 80 to 90 cm (31 to 35 in).^[6]^[7] The total length (from beak to tail) and wingspan are in the same range of measurements, from 90 to 105 cm (35 to 41 in).^[6]^[8] Most of the plumage is pinkish white. The clearest difference between this species and the greater flamingo, the only other Old World species of flamingo, is the much more extensive black on the bill. Size is less helpful to distinguish the two species, unless they occur together, since the sexes of each species also differ in height.

The extinct species Phoeniconaias proeses in the same genus, from the Pliocene of Australia, is thought to have been even smaller.^[9]

The lesser flamingo may be the most common species of flamingo, with a population that (at its peak) probably numbered up to two million individual birds. This species feeds primarily on Spirulina, algae which grow only in very alkaline lakes. Presence of flamingo groups near water bodies is an indication of sodic alkaline water which is not suitable for irrigation use. Although blue-green in colour, the algae contain the photosynthetic pigments that give the birds their pink colour. Their deep bill is specially adapted for filtering tiny food items. Other forms of algae taken are Synechocystis minuscula, Synechococcus pevalekii, Synechococcus elongatus, Monoraphidium minutum, Oscillatoria sp. and Lyngbya sp.^[10]^[11] This species will also feed, to a lesser extent, on small invertebrates: copepods (Paradiaptomus africanus), diatoms (Navicula) and rotifers (Brachionus), as well as microscopic alkaliphilic cyanobacteria (Arthrospira fusiformis, A. maxima).^[10]^[11]

Predators

Lesser flamingos are prey to a variety of species, including marabou storks, vultures, baboons, African fish eagles, jackals, hyenas, foxes, Great white pelicans, Martial Eagle, and big cats.^[12]^[13]

Breeding

In Africa, where they are most common, the lesser flamingos breed principally on the highly caustic Lake Natron in northern Ngorongoro District in Arusha Region of Tanzania. Their other African breeding sites are at Etosha Pan, Makgadikgadi Pan, and Kamfers Dam. The last confirmed breeding season at Aftout es Saheli in coastal Mauritania was in 1965. Breeding occurred at Lake Magadi in Kenya in 1962 when Lake Natron was unsuitable due to flooding. In the early 20th century, breeding was also observed at Lake Nakuru.^[14]

The species also breeds in southwestern and southern Asia. In 1974, they bred at the Rann of Kutch, but since then, only at the Zinzuwadia and Purabcheria salt pans in northwestern India.^[14]^[4] Some movement of individuals occurs between Africa and India.^[15]

Like all flamingos, they lay a single chalky-white egg on a mound they build of mud. Chicks join creches soon after hatching, sometimes numbering over 100,000 individuals. The creches are marshalled by a few adult birds that lead them by foot to fresh water, a journey that can reach over 20 mi (32 km).

Threats

Despite being the most common species of flamingo, it is classified as near threatened due to its declining population and the low number of breeding sites, some of which are threatened by human activities.^[16]

The population in the two key East African lakes, Lake Nakuru and Lake Bogoria, have been adversely affected in recent years by suspected heavy metal poisoning, while its primary African breeding area in Lake Natron is currently under threat by a proposed soda ash plant by Tata Chemicals.^[17] The only breeding site in South Africa, situated at Kamfers Dam, is threatened by pollution and encroaching development.^[18] East African soda lake productivity declines due to rising water levels are another threat to the lesser flamingo.^[19]

References

^ ^a ^b BirdLife International (2018). "Phoeniconaias minor". IUCN Red List of Threatened Species. 2018: e.T22697369A129912906. doi:10.2305/IUCN.UK.2018-2.RLTS.T22697369A129912906.en. Retrieved 27 January 2022.
^ Geoffroy, C. (1798). "Sur une nouvelle espèce de Phœnicoptère ou Flammant". Bulletin des sciences par la Société philomathique. 1 (15).
^ Gray, G.R. (1869). "Notes on the bills of the species of Flamingo (Phœnicopterus)". Ibis. New Series. 5 (20): 438–443. doi:10.1111/j.1474-919X.1869.tb06897.x.
^ ^a ^b Manakadan, R. & Khan, A. N. (2020). "Birds of the Indian Subcontinent – In a Nutshell". Buceros. 24 (Special Issue 2 & 3): 1–79.
^ "Lesser flamingo - Phoeniconaias minor - ARKive". www.arkive.org. Archived from the original on 14 May 2009. Retrieved 15 January 2022.
^ ^a ^b "FLAMINGOS - Physical Characteristics". Archived from the original on 2012-07-10. Retrieved 2012-07-23.
^ "Home | San Diego Zoo Animals & Plants".
^ Ali, S. (1993). The Book of Indian Birds. Bombay: Bombay Natural History Society. ISBN 0-19-563731-3.
^ Miller, A.H. (1963). "The fossil flamingos of Australia" (PDF). The Condor. 65 (4): 289–299. doi:10.2307/1365355. JSTOR 1365355.
^ ^a ^b "Phoeniconaias minor (Lesser flamingo)". Animal Diversity Web.
^ ^a ^b Del Hoyo, Josep; Boesman, Peter F. D.; Garcia, Ernest; Kirwan, Guy M. (2020). "Lesser Flamingo (Phoeniconaias minor), version 1.0". Birds of the World.
^ DiBuono, L. 2017. "Phoeniconaias minor" (On-line), Animal Diversity Web. Accessed March 05, 2021 at https://animaldiversity.org/accounts/Phoeniconaias_minor/
^ "Lesser Flamingo". Oakland Zoo. 2020. Retrieved 4 March 2021.
^ ^a ^b Anderson, M. D. (2008). "A Vision in Pink, Lesser Flamingo Breeding Success". Africa - Birds & Birding. 13 (2): 42–49.
^ Parasharya, B.M.; Rank, D.N.; Harper, D.M.; Crosa, G.; Zaccara, S.; Patel, N.; Joshi, C.G. (2015). "Long-distance dispersal capability of Lesser Flamingo Phoeniconaias minor between India and Africa: Genetic inferences for future conservation plans". Ostrich. 86 (3): 221. Bibcode:2015Ostri..86..221P. doi:10.2989/00306525.2015.1053827. S2CID 86056411.
^ Anderson, M. D. "Save the Flamingo". Retrieved 2008-08-20.
^ "TA-TA to Lake Natron's flamingos". Africa - Birds & Birding. 12 (4): 16. 2007.
^ Macleod, F. (2008). "Flamingo row: Officials 'under house arrest'". Mail&Guardian. Retrieved 2008-08-20.
^ Byrne, A.; Tebbs, E.J.; Njoroge, P.; Nkwabi, A.; Chadwick, M.A.; Freeman, R.; Harper, D.; Norris, K. (2024). "Productivity declines threaten East African soda lakes and the iconic Lesser Flamingo". Current Biology. 34 (8): 1786–1793.e4. Bibcode:2024CBio...34.1786B. doi:10.1016/j.cub.2024.03.006.