Lesser White-fronted Goose
Anser erythropus
Generally uncommon medium-sized goose. Dark chocolate brown with a white forehead and bubblegum-pink bill. Similar to Greater White-fronted Goose: Lesser is slightly smaller and shorter-necked with a rather small, stubby bill, a distinct but narrow yellow eyering, and a more extensive white forehead. Usually seen as singles or small groups among flocks of other geese. Breeds in scrubby tundra and winters in agricultural fields, saltmarshes, and drier areas adjacent to wetlands. Gives high squeaks, often while in flight.
Identification
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.<p>Both white-fronted goose species have a very conspicuous white face and broad black bars which cross the belly.<p>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.
Taxonomy
The scientific name comes from anser, the Latin for "goose", and erythropus, "red-footed", derived from the old Greek eruthros "red" and pous "foot".
- Scientific name
- Anser erythropus
- Authority
- (Linnaeus, 1758)
- Order
- Anseriformes
- Family
- Anatidae
- Genus
- Anser
Range and habitat
The lesser white-fronted goose winters further south in Europe and is a rare winter vagrant to Great Britain and India. 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.
- Breeding range
- PAL : n Eurasia
- Non-breeding range
- se Europe and e China
- Migration
- Complete migrants
Conservation
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.<p>This genetically distinct population is now estimated at 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.<p>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.
- Population trend
- declining
Photos
Distribution
Bird Calls
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