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  2. V formation - Wikipedia

    en.wikipedia.org/wiki/V_formation

    Eurasian cranes in a V formation (video) Birds flying in V formation. A V formation is a symmetric V- or chevron-shaped flight formation.In nature, it occurs among geese, swans, ducks, and other migratory birds, improving their energy efficiency, while in human aviation, it is used mostly in military aviation, air shows, and occasionally commercial aviation.

  3. Goose - Wikipedia

    en.wikipedia.org/wiki/Goose

    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.

  4. Skein - Wikipedia

    en.wikipedia.org/wiki/Skein

    Skein / s k eɪ n / may refer to: A flock of geese or ducks in flight; A wound ball of yarn with a centre pull strand; see Hank; A metal piece fitted over the end of a wagon axle, to which the wheel is mounted; Skein (unit), a unit of length used by weavers and tailors; Skein dubh, a Scottish knife; Skein module, a mathematical concept

  5. Anatidae - Wikipedia

    en.wikipedia.org/wiki/Anatidae

    The ducks, geese, and swans are small- to large-sized birds with a broad and elongated general body plan. [2] Diving species vary from this in being rounder. Extant species range in size from the cotton pygmy goose , at as little as 26.5 cm (10.5 in) and 164 g (5.8 oz), to the trumpeter swan , at as much as 183 cm (6 ft) and 17.2 kg (38 lb).

  6. Anseriformes - Wikipedia

    en.wikipedia.org/wiki/Anseriformes

    Anseriformes is an order of birds also known as waterfowl that comprises about 180 living species of birds in three families: Anhimidae (three species of screamers), Anseranatidae (the magpie goose), and Anatidae, the largest family, which includes over 170 species of waterfowl, among them the ducks, geese, and swans. Most modern species in the ...

  7. Flying and gliding animals - Wikipedia

    en.wikipedia.org/wiki/Flying_and_gliding_animals

    Greylag geese (Anser anser). Birds are one of only four taxonomic groups to have evolved powered flight. A number of animals are capable of aerial locomotion, either by powered flight or by gliding. This trait has appeared by evolution many times, without any single common ancestor.

  8. Anserinae - Wikipedia

    en.wikipedia.org/wiki/Anserinae

    The Anserinae are a subfamily in the waterfowl family Anatidae.It includes the swans and the true geese.Under alternative systematical concepts (see e.g., Terres & NAS, 1991), it is split into two subfamilies, the Anserinae contain the geese and the ducks, while the Cygninae contain the swans.

  9. Bar-headed goose - Wikipedia

    en.wikipedia.org/wiki/Bar-headed_goose

    The bird is pale grey and is easily distinguished from any of the other grey geese of the genus Anser by the black bars on its head. It is also much paler than the other geese in this genus. In flight, its call is a typical goose honking. A mid-sized goose, it measures 71–76 cm (28–30 in) in total length and weighs 1.87–3.2 kg (4.1–7.1 lb).