Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Cladus: Avemetatarsalia
Cladus: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauriformes
Cladus: Dracohors
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Eusaurischia
Subordo: Theropoda
Cladus: Neotheropoda
Cladus: Averostra
Cladus: Tetanurae
Cladus: Avetheropoda
Cladus: Coelurosauria
Cladus: Tyrannoraptora
Cladus: Maniraptoromorpha
Cladus: Maniraptoriformes
Cladus: Maniraptora
Cladus: Pennaraptora
Cladus: Paraves
Cladus: Eumaniraptora
Cladus: Avialae
Infraclassis: Aves
Cladus: Euavialae
Cladus: Avebrevicauda
Cladus: Pygostylia
Cladus: Ornithothoraces
Cladus: Ornithuromorpha
Cladus: Carinatae
Parvclassis: Neornithes
Cohors: Neognathae
Cladus: Pangalloanserae
Cladus: Galloanseres
Ordo: Anseriformes
Familia: Anatidae
Subfamilia: Anatinae
Genus: Amazonetta
Species: Amazonetta brasiliensis
Name
Amazonetta brasiliensis (Gmelin, 1789)
Synonymy
Anas brasiliensis (protonym)
References
Gmelin, J.F. 1789. Caroli a Linné systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I, Pars II. Editio decima tertia, aucta, reformata. - pp. 501–1032. Lipsiae. (Beer). DOI: 10.5962/bhl.title.545 Original description p.517 n.78 BHL Reference page.
Vernacular names
čeština: Kachnička amazonská
Deutsch: Amazonasente
English: Brazilian Teal
español: Pato brasilero
français: Canard amazonette
magyar: Amazonasi réce
日本語: アカアシコガモ
norsk nynorsk: Brasiland
norsk: Brasiland
português do Brasil: Pé-vermelho
português: Marreca-ananaí
русский: Бразильский чирок
svenska: Brasiliansk and
The Brazilian teal or Brazilian duck (Amazonetta brasiliensis) is the only duck in the genus Amazonetta. It is widely distributed in eastern South America.
Taxonomy
The Brazilian teal was formally described in 1789 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae. He placed it with all the other ducks, swans and geese in the genus Anas and coined the binomial name Anas brasiliensis. [2] Gmelin based his description on the Mareca alia species (the second Mareca) that was described in 1648 by the German naturalist Georg Marcgrave in his Historia Naturalis Brasiliae.[3][4] The Brazilian teal is now the only species placed in the genus Amazonetta that was introduced by the German zoologist Hans von Boetticher in 1929.[5][6]
It was formerly considered a perching duck, but more recent analyses indicate that it belongs to a clade of South American dabbling ducks which also includes the crested duck, the bronze-winged duck, and possibly the steamer ducks.[7]
Two subspecies are recognised:[6]
A. b. brasiliensis (Gmelin, 1789) – the nominate race, found in Brazil, Suriname, Guyana, French Guiana, central Venezuela, eastern Colombia, and northeastern Peru
A. b. ipecutiri (Vieillot, 1816) – found in Brazil, northern Argentina, eastern Bolivia, Uruguay, and Paraguay
Description
The ducks are light brown in colour. Drakes distinguish themselves from females in having red beaks and legs, and in having a distinctive pale grey area on the side of its head and neck. The colour of these limbs is much duller in females.
Female at Costanera Sur, Argentina
Female at Costanera Sur, Argentina
Male at Costanera Sur, Argentina
Male at Costanera Sur, Argentina
Distribution and habitat
They can be found throughout eastern South America, from central Brazil, to Uruguay, to northern and eastern Argentina, Paraguay, central Venezuela, northeastern Peru, Suriname, Guyana, French Guiana, eastern Bolivia, and eastern Colombia.[1][8] Their preferred habitat is a body of freshwater away from the coast with dense vegetation nearby.
Behaviour
Brazilian teal live in pairs or in small groups of up to twenty birds. Both parents look after their hatchlings. They eat seeds, fruits, roots and insect, while ducklings eat only insects.
Status
They are plentiful and are listed as of Least Concern.[1]
References
BirdLife International (2018). "Amazonetta brasiliensis". IUCN Red List of Threatened Species. 2018: e.T22680115A130025891. doi:10.2305/IUCN.UK.2018-2.RLTS.T22680115A130025891.en. Retrieved 12 November 2021.
Gmelin, Johann Friedrich (1788). Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis (in Latin). Vol. 1, Part 2 (13th ed.). Lipsiae [Leipzig]: Georg. Emanuel. Beer. p. 517.
Marcgrave, Georg (1648). Historia Naturalis Brasiliae: Liber Quintus: Qui agit de Avibus (in Latin). Lugdun and Batavorum (London and Leiden): Franciscum Hackium and Elzevirium. p. 214.
Mayr, Ernst; Cottrell, G. William, eds. (1979). Check-List of Birds of the World. Vol. 1 (2nd ed.). Cambridge, Massachusetts: Museum of Comparative Zoology. p. 458.
von Boetticher, Hans (1929). "Kritische Betrachtungen über Anatiden" (PDF). Anzeiger der Ornithologischen Gesellschaft in Bayern (in German). 2 (1): 10-15 [12].
Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (January 2022). "Screamers, ducks, geese & swans". IOC World Bird List Version 12.1. International Ornithologists' Union. Retrieved 3 July 2022.
Johnson, Kevin P. & Sorenson, Michael D. (1999). "Phylogeny and biogeography of dabbling ducks (genus Anas): a comparison of molecular and morphological evidence" (PDF). Auk. 116 (3): 792–805. doi:10.2307/4089339. JSTOR 4089339.
Clements, James, (2007) The Clements Checklist of the Birds of the World, Cornell University Press, Ithaca.
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