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Mascarene coot - Wikipedia

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Mascarene coot

First known subfossils, 1867
Conservation status
Extinct (c.1700) (IUCN 3.1)^[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Gruiformes
Family:	Rallidae
Genus:	Fulica
Species:	†F. newtonii
Binomial name
†Fulica newtonii Milne-Edwards, 1867^[2]

Location of Mauritius, where subfossils of this species have been found
Synonyms
Fulica newtoni (lapsus) Milne-Edwards, 1867 Palaeolimnas newtoni Forbes, 1893 Paludiphilus newtoni Hachisuka, 1953

The Mascarene coot (Fulica newtonii) is an extinct species of coot that inhabited the Mascarene islands of Mauritius and Réunion. Long known from subfossil bones found in the Mare aux Songes swamp on the former island, but only assumed from descriptions to also have been present on the latter, remains have more recently been found on Réunion also. Early travellers' reports from Mauritius were, in reverse, generally assumed to refer to common moorhens, but it seems that this species only colonized the island after the extinction of the endemic coot.

Description

The Mascarene coot was a large bird and while not flightless, it had reduced flying ability, so that if pursued, it would have even more preferred to escape by diving than it is already a general habit of the coots. As the bird had considerable stamina, it could have easily crossed the ocean between the islands, explaining why a single species occurred on both islands. The birds looked like oversized Eurasian coots, being about 45 cm long, but as they were more likely derived from the red-knobbed coot, it is not clear whether the distinguishing red knobs (which are easily overlooked) on top of the white frontal shield were not present or simply not reported by Dubois, who described the species in some detail in 1674 as "Waterhens which are as large as fowls. They are always black, and have a large white crest on the head."^[3]

Extinction

All terrestrial Rallidae species on the Mascarene islands originated in Madagascar and were victims of cat predation which led to a decline in population. However, the primary cause of extinction was over hunting. There is one extant Rallidae species, the Eurasian Moorhen Gallinula chloropus pyrrhorrhoa that colonized the islands after the extinction of the Mascarene Coot.^[4]

Dubois is the last author to mention the coot on Réunion. In 1667, François Martin had already complained that hunters had killed off the population on the Etang de Saint-Paul, although the bird was generally considered to be of disagreeable taste:

[In 1665] The river basin [at Saint-Gilles] was covered in geese and water-hens, and the depths full of fish... the water-hens allowed one to approach almost [close enough] to catch them by hand; we sent them all on board. [But by 1667] We saw neither geese nor water-hens on the Etang de St Paul which was formerly covered in them.^[5]

The species fared little better on Mauritius, with Leguat being, in 1693, the last to record the endemic poules d'eau, saying they were "already rare". Apart from hunting, settlement activity leading to destruction of the marshland habitat seems to have played a major role in the species' extinction.^[6]

References

^ BirdLife International (2016). "Fulica newtonii". IUCN Red List of Threatened Species. 2016: e.T22728769A94996050. doi:10.2305/IUCN.UK.2016-3.RLTS.T22728769A94996050.en. Retrieved 12 November 2021.
^ Milne-Edwards, Alphonse (1867): Mémoire sur une espèce éteinte du genre Fulica. Ann. Sci. Nat. Zool. (Paris) 5(8): 195-220, plates 10-13. [Article in French]
^ Rothschild, W (1907). Extinct Birds (PDF). London: Hutchinson & Company.
^ HUME, JULIAN PENDER (2019-07-03). "Systematics, morphology and ecology of rails (Aves: Rallidae) of the Mascarene Islands, with one new species". Zootaxa. 4626 (1): zootaxa.4626.1.1. doi:10.11646/zootaxa.4626.1.1. ISSN 1175-5334. PMID 31712544. S2CID 198258434.
^ Cheke, AS; Hume, JP (2008). Lost Land of the Dodo: an Ecological History of Mauritius, Réunion & Rodrigues. T & AD Poyser. ISBN 978-0-7136-6544-4.
^ * Leguat, François (1708): Voyages et Avantures de François Leguat & de ses Compagnons, en Deux Isles Desertes des Indes Orientales, etc. 2: 71. Jean Louis de Lorme, Amsterdam. PDF fulltext available at Gallica: search for "Leguat"

Taxon identifiers
Fulica newtonii	Wikidata: Q922531 Wikispecies: Fulica newtoni Avibase: 358AF9D9D5AD5531 BirdLife: 22728769 BOW: mascoo1 eBird: mascoo1 GBIF: 5789351 iNaturalist: 101021 IUCN: 22728769 Paleobiology Database: 370520 Xeno-canto: Fulica-newtonii

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