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The word "goose" is a direct descendant of Proto-Indo-European *ǵʰh₂éns.In Germanic languages, the root gave Old English gōs with the plural gēs and gandra (becoming Modern English goose, geese, gander, respectively), West Frisian goes, gies and guoske, Dutch: gans, New High German Gans, Gänse, and Ganter, and Old Norse gās and gæslingr, whence English gosling.
A domestic goose is a goose that humans have domesticated and kept for their meat, eggs, or down feathers, or as companion animals. Domestic geese have been derived through selective breeding from the wild greylag goose ( Anser anser domesticus ) and swan goose ( Anser cygnoides domesticus ).
The Canada goose (Branta canadensis) is a large wild goose with a black head and neck, white cheeks, white under its chin, and a brown body. It is native to the arctic and temperate regions of North America, and it is occasionally found during migration across the Atlantic in northern Europe.
A small flock of Pilgrim Geese - an example of color-sexing goose; males are white, females are gray. The plumage of male and female goose is usually the same. However, there are few auto-sexing goose, which are sexually dimorphic and the sex can be identified by the first look by plumage.
The snow goose is now placed in the genus Anser that was introduced by the French zoologist Mathurin Jacques Brisson in 1760. [7] [8] The scientific name is from the Latin anser, "goose", and caerulescens, "bluish", derived from caeruleus, "dark blue". [9] The snow goose is the sister species to Ross's goose (Anser rossii). [10]
Pilgrim goose can grow 10 pounds in about 10 weeks, which makes them a relatively fast growing breed. [ 7 ] [ 12 ] A male pilgrim goose typically mates with 3 to 5 geese at a time. [ 2 ] [ 11 ] In most instances, the ganders will not begin mating with the females until they start showing signs of egg production. [ 6 ]
The grey goose genus Anser has no other member indigenous to the Indian region, nor any at all to the Ethiopian, Australian, or Neotropical regions.Ludwig Reichenbach placed the bar-headed goose in the monotypic genus Eulabeia in 1852, [2] though John Boyd's taxonomy treats both Eulabeia and the genus Chen as subgenera of Anser.
The greater white-fronted goose (Anser albifrons) is a species of goose, closely related to the smaller lesser white-fronted goose (A. erythropus). [2] The greater white-fronted goose is migratory , breeding in northern Canada , Alaska , Greenland and Russia, and winters farther south in North America, Europe and Asia. [ 1 ]