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The Chinese and African Geese are the domestic breeds of the swan goose (A. cygnoides); they can be recognized by their prominent bill knob. [ 1 ] Some breeds, like the Obroshin Goose and Steinbach Fighting Goose , originated in hybrids between these species (the hybrid males are usually fertile – see Haldane's Rule ).
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, ganzen, ganzerik, New High German Gans, Gänse, and Ganter, and Old Norse gás and gæslingr, whence English gosling.
Genus Anser - grey geese and white geese; Genus Aythya - pochards, scaups, etc. Genus Biziura - musk ducks; Genus Branta - black geese; Genus Bucephala - goldeneyes; Genus Cairina - Muscovy duck and white-winged duck (traditionally dabbling ducks, but may be paraphyletic) Genus Callonetta - ringed teal (dabbling ducks or Tadorninae?)
Geese have also been strongly selected for fecundity, with females laying up to 500 eggs per year, compared to 5–12 eggs for a wild goose. [3] [5] As most domestic geese display little sexual dimorphism, sexing is based primarily on physical characteristics and behaviour. Males are typically taller and larger than females, and have longer ...
Articles relating to Geese, birds of any of several waterfowl species in the family Anatidae. This group comprises the genera Anser (grey geese and white geese) and Branta (black geese). Some members of the Tadorninae subfamily (e.g., Egyptian goose, Orinoco goose) are commonly called geese, but are not considered "true geese" taxonomically.
The avian family Anatidae, commonly called waterfowl, comprise the ducks, geese, and swans. The International Ornithological Committee (IOC) recognizes these 174 Anatidae species distributed among 53 genera, 32 of which have only one species. Eight species on the list are extinct; they are marked (E). [1]
Genus †Megalodytes (Miocene of California) True geese (Tribe Anserini) Genus Anser – grey and white geese; Genus Branta – black geese; Unresolved. Genus Coscoroba – coscoroba swan; These two genera are distinct from other geese and often elevated to a subfamily of their own (Cereopsinae), or alternatively into the shelduck subfamily ...
Anser is a waterfowl genus that includes the grey geese and the white geese.It belongs to the true goose and swan subfamily of Anserinae under the family of Anatidae. [2] The genus has a Holarctic distribution, with at least one species breeding in any open, wet habitats in the subarctic and cool temperate regions of the Northern Hemisphere in summer.