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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).
A group of birds congregating for rest is called a communal roost. Approximately 13% of all bird species nest colonially. [110] Nesting colonies are very common among seabirds on cliffs and islands. Nearly 95% of seabirds are colonial, [111] leading to the usage, seabird colony, sometimes called a rookery.
This is a list of the bird species recorded in Belgium.The avifauna of Belgium include a total of 477 species, of which 8 have been introduced by humans.. This list's taxonomic treatment (designation and sequence of orders, families and species) and nomenclature (common and scientific names) follows the conventions of The Clements Checklist of Birds of the World, 2022 edition.
The diet consists of a variety of animals and plants. The family is well represented in Europe with many introduced species as well. American black duck, Anas rubripes (A) American wigeon, Mareca americana (A) Baikal teal, Sibirionetta formosa (A) Bar-headed goose, Anser indicus (I, A) Barnacle goose, Branta leucopsis.
Passerine. A passerine (/ ˈpæsəraɪn /) is any bird of the order Passeriformes (/ ˈpæsərɪfɔːrmiːz /; from Latin passer 'sparrow' and formis '-shaped') which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their toes (three pointing forward and one ...
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.
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 first group of geese and ducks, loaded up and ready to go, await the short drive to before their release on Gibson Pond on Friday.