Flamingo

For other uses, see Flamingo (disambiguation).
Flamingos
Temporal range: 25–0 Ma

Late Oligocene – Recent

James's flamingos (P. jamesi)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Phoenicopteriformes
Family: Phoenicopteridae
Bonaparte 1831
Species

See text

Global distribution of flamingos

Flamingos or flamingoes[1] /fləˈmɪŋɡoʊz/ are a type of wading bird in the family Phoenicopteridae, the only family in the order Phoenicopteriformes. There are four flamingo species in the Americas and two species in the Old World.

Captive flamingos feeding

Etymology

Flamingo comes from Portuguese or Spanish flamengo, "flame-colored", in turn coming from Provençal flamenc from flama "flame" and Germanic-like suffix -ing, with a possible influence of words like Fleming. A similar etymology has the Latinate Greek term Phoenicopterus (from Greek: φοινικόπτερος phoinikopteros), literally "blood red-feathered".[2]

Taxonomy and systematics

Traditionally, the long-legged Ciconiiformes, probably a paraphyletic assemblage, have been considered the flamingos' closest relatives and the family was included in the order. Usually the ibises and spoonbills of the Threskiornithidae were considered their closest relatives within this order. Earlier genetic studies, such as those of Charles Sibley and colleagues, also supported this relationship.[3] Relationships to the waterfowl were considered as well,[4] especially as flamingos are parasitized by feather lice of the genus Anaticola, which are otherwise exclusively found on ducks and geese.[5] The peculiar presbyornithids were used to argue for a close relationship between flamingos, waterfowl, and waders.[6] A 2002 paper concluded they are waterfowl,[7] but a 2014 comprehensive study of bird orders found that flamingos and grebes are not waterfowl, but rather are part of Columbea along with doves, sandgrouse, and mesites.[8]

Phylogeny

Living flamingoes based on the work by John Boyd.[9]
Phoenicopterus

Phoenicopterus chilensis (Chilean flamingo)

Phoenicopterus roseus (Greater flamingo)

Phoenicopterus ruber (American flamingo)

Phoeniconaias minor (Lesser flamingo)


Phoenicoparrus

Phoenicoparrus andinus (Andean flamingo)

Phoenicoparrus jamesi (James's flamingo)





Species

Six extant flamingo species are recognized by most sources, and were formerly placed in one genus, Phoenicopterus. As a result of a 2014 publication,[10] the family was reclassified into three genera.[11]

Species Geographic location
Greater flamingo
(Phoenicopterus roseus)		 Old World Parts of Africa, S. Europe and S. and SW Asia (most widespread flamingo).
Lesser flamingo
(Phoeniconaias minor)		 Africa (e.g. Great Rift Valley) to NW India (most numerous flamingo).
Chilean flamingo
(Phoenicopterus chilensis)		 New World Temperate S. South America.
James's flamingo
(Phoenicoparrus jamesi)		 High Andes in Peru, Chile, Bolivia and Argentina.
Andean flamingo
(Phoenicoparrus andinus)		 High Andes in Peru, Chile, Bolivia and Argentina.
American flamingo
(Phoenicopterus ruber)		 Caribbean islands, Caribbean Mexico, Belize and Galapagos islands.
P. croizeti fossil

Relationship with grebes

Many molecular and morphological studies support a relationship between grebes and flamingos

Recent molecular studies have suggested a relation with grebes,[12][13][14] while morphological evidence also strongly supports a relationship between flamingos and grebes. They hold at least eleven morphological traits in common, which are not found in other birds. Many of these characteristics have been previously identified on flamingos, but not on grebes.[15] The fossil palaelodids can be considered evolutionarily, and ecologically, intermediate between flamingos and grebes.[16]

For the grebe-flamingo clade, the taxon Mirandornithes ("miraculous birds" due to their extreme divergence and apomorphies) has been proposed. Alternatively, they could be placed in one order, with Phoenocopteriformes taking priority.[16]

Description

Flamingos usually stand on one leg while the other is tucked beneath their body. The reason for this behaviour is not fully understood. Recent research indicates that standing on one leg may allow the birds to conserve more body heat, given that they spend a significant amount of time wading in cold water.[17] However, the behaviour also takes place in warm water. As well as standing in the water, flamingos may stamp their webbed feet in the mud to stir up food from the bottom.

Young flamingos hatch with greyish reddish plumage, but adults range from light pink to bright red due to aqueous bacteria and beta-Carotene obtained from their food supply. A well-fed, healthy flamingo is more vibrantly colored and thus a more desirable mate; a white or pale flamingo, however, is usually unhealthy or malnourished. Captive flamingos are a notable exception; many turn a pale pink as they are not fed carotene at levels comparable to the wild.

Behaviour and ecology

Feeding

American flamingo and offspring. The arcuate is well adapted to bottom scooping

Flamingos filter-feed on brine shrimp and blue-green algae. Their beaks are specially adapted to separate mud and silt from the food they eat, and are uniquely used upside-down. The filtering of food items is assisted by hairy structures called lamellae which line the mandibles, and the large rough-surfaced tongue. The pink or reddish color of flamingos comes from carotenoids in their diet of animal and plant plankton. These carotenoids are broken down into pigments by liver enzymes.[18] The source of this varies by species, and affects the saturation of color. Flamingos whose sole diet is blue-green algae are darker in color compared to those who get it second hand (e.g. from animals that have digested blue-green algae).[19]

Lifecycle

Colony of flamingos at Lake Nakuru

Flamingos are very social birds; they live in colonies whose population can number in the thousands. These large colonies are believed to serve three purposes for the flamingos: avoiding predators, maximizing food intake, and using scarce suitable nesting sites more efficiently.[20] Before breeding, flamingo colonies split into breeding groups of about 15 to 50 birds. Both males and females in these groups perform synchronized ritual displays.[21] The members of a group stand together and display to each other by stretching their necks upwards, then uttering calls while head-flagging, and then flapping their wings.[22] The displays do not seem to be directed towards an individual but instead occur randomly.[22] These displays stimulate "synchronous nesting" (see below) and help pair up those birds who do not already have mates.[21]

Flamingos form strong pair bonds although in larger colonies flamingos sometimes change mates, presumably because there are more mates to choose from.[23] Flamingo pairs establish and defend nesting territories. They locate a suitable spot on the mudflat to build a nest (the spot is usually chosen by the female).[22] It is during nest building that copulation usually occurs. Nest building is sometimes interrupted by another flamingo pair trying to commandeer the nesting site for their own use. Flamingos aggressively defend their nesting sites. Both the male and the female contribute to building the nest, and to defending the nest and egg. Occasional same-sex pairs have been reported.[24]

After the chicks hatch, the only parental expense is feeding.[25] Both the male and the female feed their chicks with a kind of crop milk, produced in glands lining the whole of the upper digestive tract (not just the crop). Production is stimulated by the hormone prolactin. The milk contains fat, protein, and red and white blood cells. (Pigeons and doves—Columbidae—also produce a crop milk (just in the glands lining the crop), which contains less fat and more protein than flamingo crop milk.)

For the first six days after the chicks hatch, the adults and chicks stay in the nesting sites. At around seven to twelve days old, the chicks begin to move out of their nests and explore their surroundings. When they are two weeks old, the chicks congregate in groups, called "microcrèches", and their parents leave them alone. After a while, the microcrèches merge into "crèches" containing thousands of chicks. Chicks that do not stay in their crèches are vulnerable to predators.[26]

Status and conservation

Flamingos

In captivity

The first flamingo hatched in a European zoo was a Chilean flamingo at Zoo Basel in Switzerland in 1958. Since then, over 389 flamingos have grown up in Basel and been distributed to other zoos around the globe.[27]

An 83-year-old greater flamingo, believed to be the oldest in the world, died at the Adelaide Zoo in Australia in January, 2014.[28]

Relationship with humans

Moche Ceramic Depicting Flamingo (200 AD) Larco Museum Collection Lima, Peru

References

  1. ↑ Both forms of the plural are attested, according to the Oxford English Dictionary
  2. ↑ "flamingo - Online Etymology Dictionary". Online Etymology Dictionary. Retrieved 19 May 2016.
  3. ↑ Salzman, Eric (December 1993). "Sibley's Classification of Birds". Ornitologia e dintorni. Retrieved 15 November 2009.
  4. ↑ Sibley, Charles G.; Corbin, Kendall W.; Haavie, Joan H. (1969). "The Relationships of the Flamingos as Indicated by the Egg-White Proteins and Hemoglobins" (PDF). Condor. 71 (2): 155–179. doi:10.2307/1366077. JSTOR 1366077.
  5. ↑ Johnson, Kevin P.; Kennedy, Martyn; McCracken, Kevin G. (2006). "Reinterpreting the origins of flamingo lice: cospeciation or host-switching?" (PDF). Biology Letters. 2 (2): 275–278. doi:10.1098/rsbl.2005.0427. PMC 1618896Freely accessible. PMID 17148381. Retrieved 31 October 2009.
  6. ↑ Feduccia, Alan (1976). "Osteological evidence for shorebird affinities of the flamingos" (PDF). Auk. 93 (3): 587. Retrieved 3 November 2009.
  7. ↑ Kurochkin, E. N.; Dyke, G. J.; Karhu, A. A. (2002). "A New Presbyornithid Bird (Aves, Anseriformes) from the Late Cretaceous of Southern Mongolia". American Museum Novitates. 3386: 1–11. doi:10.1206/0003-0082(2002)386<0001:ANPBAA>2.0.CO;2. hdl:2246/2875.
  8. ↑ Jarvis, E.D.; et al. (2014). "Whole-genome analyses resolve early branches in the tree of life of modern birds". Science. 346 (6215): 1320–1331. doi:10.1126/science.1253451. PMC 4405904Freely accessible. PMID 25504713.
  9. ↑ Boyd, John (2007). "NEOAVES- COLUMBEA". John Boyd's website. Retrieved 30 December 2015.
  10. ↑ Torres, Chris R; Ogawa, Lisa M; Gillingham, Mark AF; Ferrari, Brittney; Van Tuinen, Marcel (2014). "A multi-locus inference of the evolutionary diversification of extant flamingos (Phoenicopteridae)". BMC Evolutionary Biology. 14 (1): 36. doi:10.1186/1471-2148-14-36. PMC 4016592Freely accessible. PMID 24580860.
  11. ↑ Gill, F and D Donsker (Eds). (2016). IOC World Bird List (v 6.3).
  12. ↑ Chubb, AL (2004). "New nuclear evidence for the oldest divergence among neognath birds: the phylogenetic utility of ZENK (i)". Molecular Phylogenetics and Evolution. 30 (1): 140–151. doi:10.1016/s1055-7903(03)00159-3.
  13. ↑ Ericson, Per G. P.; Anderson, CL; Britton, T; Elzanowski, A; Johansson, US; Källersjö, M; Ohlson, JI; Parsons, TJ; Zuccon, D (December 2006). "Diversification of Neoaves: integration of molecular sequence data and fossils" (PDF). Biology Letters. 2 (4): 543–547. doi:10.1098/rsbl.2006.0523. ISSN 1744-9561. PMC 1834003Freely accessible. PMID 17148284.
  14. ↑ Hackett, Shannon J.; Kimball, Rebecca T.; Reddy, Sushma; Bowie, Rauri C. K.; Braun, Edward L.; Braun, Michael J.; Chojnowski, Jena L.; Cox, W. Andrew; Kin-Lan Han, John (27 June 2008). "A Phylogenomic Study of Birds Reveals Their Evolutionary History". Science. 320 (5884): 1763–1768. doi:10.1126/science.1157704. PMID 18583609.
  15. ↑ Mayr, Gerald (2004). "Morphological evidence for sister group relationship between flamingos (Aves: Phoenicopteridae) and grebes (Podicipedidae)" (PDF). Zoological Journal of the Linnean Society. 140 (2): 157–169. doi:10.1111/j.1096-3642.2003.00094.x. ISSN 0024-4082. Retrieved 3 November 2009.
  16. 1 2 Mayr, Gerald (2006). "The contribution of fossils to the reconstruction of the higher-level phylogeny of birds" (PDF). Species, Phylogeny and Evolution. 3: 59–64. ISSN 1098-660X. Retrieved 12 August 2009.
  17. ↑ Walker, Matt (13 August 2009). "Why flamingoes stand on one leg". BBC News. Retrieved 9 December 2009.
  18. ↑ Hill, G. E.; Montgomerie, R.; Inouye, C. Y.; Dale, J. (June 1994). "Influence of Dietary Carotenoids on Plasma and Plumage Colour in the House Finch: Intra- and Intersexual Variation". Functional Ecology. British Ecological Society. 8 (3): 343–350. doi:10.2307/2389827. JSTOR 2389827.
  19. ↑ "NATURE: Fire Bird – Flamingo Facts". Pbs.org. Retrieved 2013-03-30.
  20. ↑ Pickett, C.; Stevens, E. F. (1994). "Managing the Social Environments of Flamingos for Reproductive Success". Zoo Biology. 13 (5): 501–507. doi:10.1002/zoo.1430130512.
  21. 1 2 Ogilvie, Malcolm; Carol Ogilvie (1986). Flamingos. Gloucester, UK: Alan Sutton Publishing Limited. ISBN 9780862992668. OCLC 246861013.
  22. 1 2 3 Studer-Thiersch, A. (1975). "Basle Zoo", pp. 121–130 in N. Duplaix-Hall and J. Kear, editors. Flamingos. Berkhamsted, United Kingdom: T. & A. D. Poyser, ISBN 140813750X.
  23. ↑ Studer-Thiersch, A. (2000). "What 19 Years of Observation on Captive Great Flamingos Suggests about Adaptations to Breeding under Irregular Conditions." Waterbirds: The International Journal of Waterbird Biology 23 (Special Publication I: Conservation Biology of Flamingos): 150–159.
  24. ↑ Bagemihl, Bruce (1999). Biological Exuberance: Animal Homosexuality and Natural Diversity. Stonewall Inn Editions. pp. 524–7. ISBN 031225377X.
  25. ↑ Cézilly, F.; Johnson, A.; Tourenq, C. (1994). "Variation in Parental Care with Offspring Age in the Greater Flamingo". The Condor. 96 (3): 809–812. doi:10.2307/1369487.
  26. ↑ Gaillo, A.; Johnson, A. R.; Gallo, A. (1995). "Adult Aggressiveness and Crèching Behavior in the Greater Flamingo, Phoenicopterus ruber roseus". Colonial Waterbirds. 18 (2): 216–221. doi:10.2307/1521484.
  27. ↑ "Zolli feiert 50 Jahre Flamingozucht und Flamingosforschung" [Zolli celebrates 50 years of flamingo breeding and science]. Basler Zeitung (in German). 13 August 2008. Retrieved 21 March 2010.
  28. ↑ Fedorowytsch, Tom (31 January 2014). "Flamingo believed to be world's oldest dies at Adelaide Zoo aged 83". ABC Radio Australia. Retrieved 31 January 2014.
  29. ↑ Flamingos: Phoenicopteriformes – Greater Flamingo (Phoenicopterus ruber): Species Account. animals.jrank.org
  30. ↑ "Flamingo Feeding". Stanford University. Retrieved 16 August 2008.
  31. ↑ Benson, Elizabeth (1972) The Mochica: A Culture of Peru. New York, NY: Praeger Press.
  32. ↑ Berrin, Katherine; Larco Museum (1997). The Spirit of Ancient Peru:Treasures from the Museo Arqueológico Rafael Larco Herrera. New York: Thames and Hudson. ISBN 0500018022.
  33. ↑ "Flamingos". Seaworld.org. Retrieved 2013-03-30.
  34. ↑ Collins, Clayton (2 November 2006). "Backstory: Extinction of an American icon?". Christian Science Monitor. Retrieved 9 February 2010.

External links

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