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Anser erythropus

Anser erythropus (*)

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: Anserinae
Genus: Anser
Species: Anser erythropus

Anser erythropus (Linnaeus, 1758)

Anas erythropus (protonym)


Linnaeus, C. 1758. Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio Decima, Reformata. Tomus I. Holmiæ (Stockholm): impensis direct. Laurentii Salvii. 824 pp. DOI: 10.5962/bhl.title.542 BHL p. 123 BHL Reference page.

Vernacular names
العربية: إوزة غراء صغيرة
asturianu: Gansu Caretu Nanu
azərbaycanca: Ağqaş qaz
башҡортса: Сәңкелдәк ҡаҙ
беларуская (тарашкевіца): Піскулька
беларуская: Гусь-піскулька
български: Малка белочела гъска
বাংলা: ছোট ধলাকপাল রাজহাঁস
brezhoneg: Gwaz vailh vihan
català: Oca riallera petita
čeština: Husa malá
Cymraeg: Gŵydd dalcenwen fechan
dansk: Dværggås
Deutsch: Zwerggans
Ελληνικά: Νανόχηνα
English: Lesser White-fronted Goose
Esperanto: Malgranda ansero
español: Ánsar Chico
eesti: Väike-laukhani
euskara: Antzara nano
فارسی: غاز پیشانی‌سفید کوچک
suomi: Kiljuhanhi
føroyskt: Ennihvít gás
français: Oie naine
Frysk: Goudeachje
Gaeilge: Mionghé Bhánéadanach
Gàidhlig: Gèadh-bhlàr Bheag
galego: Ganso pequeno
עברית: אווז קטן
hrvatski: Mala guska
magyar: Kis lilik
հայերեն: Ծվվան Սագ
íslenska: Fjallgæs
italiano: Oca lombardella minore
日本語: カリガネ
ქართული: პატარა (წრიპინა) ღერღეტი
қазақша: Шиқылдақ қаз
한국어: 흰이마기러기
Limburgs: Kleine kolgajs
lietuvių: Mažoji žąsis
latviešu: Mazā zoss
македонски: Мала белочелна гуска
монгол: Одой галуу
Plattdüütsch: Dwarggoos
Nederlands: Dwerggans
norsk nynorsk: Dverggås
norsk: Dverggås
polski: Gęś mała
português: Ganso-pequeno-de-testa-branca
rumantsch: Auca pitschna
русский: Пискулька
саха тыла: Кыра лыглыйа
davvisámegiella: Giljobaš
slovenčina: Hus malá
slovenščina: Mala gos
shqip: Pata këmbëkuqe
српски / srpski: Mala lisasta guska - Мала лисаста гуска
svenska: Fjällgås
Türkçe: Küçük sakarca
українська: Гуска мала
Tiếng Việt: Ngỗng ngực trắng nhỏ
中文: 小白额雁

The lesser white-fronted goose (Anser erythropus) is a goose closely related to the larger white-fronted goose (A. albifrons). It breeds in the northernmost Palearctic, but it is a scarce breeder in Europe. There is a re-introduction scheme in Fennoscandia. The scientific name comes from anser, the Latin for "goose", and erythropus, "red-footed", derived from the old Greek eruthros "red" and pous "foot".[2]

The lesser white-fronted goose winters further south in Europe and is a rare winter vagrant to Great Britain and India.[3] Individual birds formerly appeared regularly at WWT Slimbridge in Gloucestershire, England, where they inspired Sir Peter Scott to set up The Wildfowl and Wetlands Trust—modern records, however, are far less frequent, a consequence of the species' decline on its European breeding grounds. An attractive species, it is also widely kept in wildfowl collections and, as a result, escapes do occur; individuals seen in summer, or in the company of other feral geese, are likely to be of captive origin.

The two white-fronted goose species differ little other than in size (the lesser, at 53–66 cm (21–26 in) length and with a 120–135 cm (47–53 in) wingspan, is not much bigger than a mallard (Anas platyrhynchos)), but both may be readily distinguished from the greylag goose by their bright orange legs and their mouse-coloured upper wing-coverts. The greylag goose has a flesh-coloured bill and legs and the upper wing-coverts are bluish-grey.

Both white-fronted goose species have a very conspicuous white face and broad black bars which cross the belly.

Adult lesser white-fronted geese, as well as being smaller than greater white-fronted geese, have an obvious yellow eye-ring and the white facial blaze goes up to the crown.

The lesser white-fronted goose is considered an endangered species, but there are programmes to reintroduce animals into the wild to strengthen the population. Additionally it is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.
Fennoscandian population

This genetically distinct population is now estimated at about 20 breeding pairs or 60–80 total individuals at most. They breed in northern Norway and overwinter in Greece, Bulgaria and Turkey. There is a major stop-over site at Hortobágy National Park, Hungary, where the birds spend up to two months during autumn and one month during the spring migration.[4]

Another part of the Fennoscandian population breeds in northern Sweden. The population size in 2015 is estimated to about 15 breeding pairs or 40-50 individuals in all. These birds follow a western migration route and spend the winter in Netherlands and Germany. According to the IUCN Red List in 2015, the conservation status of this population is Critically Endangered.

BirdLife International (2018). "Anser erythropus". IUCN Red List of Threatened Species. 2018: e.T22679886A132300164. doi:10.2305/IUCN.UK.2018-2.RLTS.T22679886A132300164.en. Retrieved 12 November 2021.
Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 48, 150. ISBN 978-1-4081-2501-4.
Khan, Asif N. (2013-12-01). "First Record of Lesser White-Fronted Goose Anser erythropus from Gujarat, India". Journal of the Bombay Natural History Society. 110 (3): 224. doi:10.17087/jbnhs/2013/v110i3/94037 (inactive 28 February 2022). ISSN 0006-6982.
Lengyel, S.; Tar, J.; Rózsa, L. (2012). "Flock size measures of migrating Lesser White-fronted Geese Anser erythropus" (PDF). Acta Zoologica Academiae Scientiarum Hungaricae. 58: 297–303.

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