Anseriformes


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Anseriformes

[‚an·sər·ə′fȯr‚mēz]
(vertebrate zoology)
An order of birds, including ducks, geese, swans, and screamers, characterized by a broad, flat bill and webbed feet.
References in periodicals archive ?
Anseriformes (ducks, geese, and swans) have diagnostic microscopic structures that easily allow identification of feather samples to this avian order.
4% of them, including almost all the Anseriformes and Charadriiformes, Gaviiformes, Podicipediformes, and Gruiformes, consists of a complex landscape of bogs, marshes, lakes, ponds, and streams scattered across tundra on the coasts and inland.
Type species is Catatropis verrucosa (Froelich, 1789) Odhner, 1905 in domestic and wild Anseriformes from Europe, Asia, Africa.
Se han reportado infecciones en Anseriformes, Columbiformes, Psittaciformes, Passeriformes, Falconiformes, Cuculiformes, Strigiformes, Sphenisciformes, Gruiformes, Piciformes, Phasianidae, Struthioniformes y Pelicaniformes (Ritchie y Carter, 1995); sin embargo, el curso clinico de la enfermedad varia ampliamente entre ellas (Brugh y Beard, 1983; Fowler, 1993; Gerlach, 1994).
Los ordenes de aves con mayor riqueza especifica fueron Anseriformes (11), Charadriforme, (9), Ciconiformes (8), Gruiformes (5), Passeriformes (5), Falconiformes (4), Pelecaniformes (2), Coraciformes (1) y Strigiformes (1).
No entanto, variacao interespecifica foi observada nos resultados do presente trabalho: patos pertencem a classe dos Anseriformes e apresentaram diferenca significativa quando comparados com pintos e codornas, ambos pertencentes a classe dos Galliformes, e estes nao apresentaram diferencas entre si.
7 Red-breasted merganser Mergus serrator 2 0 0 Unidentified ducks Anseriformes 2 -- -- Western grebe Aechmophorus occidentalis 2 0.
Este autor se refirio a dicho genero y especie como un ave de posicion incierta, pero posiblemente relacionado a los Anseriformes.
Family Gymnophallidae (Odhner 1905) comprises a small group of digeneans that live in the intestine, gall-bladder and bursa Fabricii of Charadriiformes (shore birds) and Anseriformes (diving ducks) that feed primarily on intertidal lamellibranchs, gastropods and benthic polychaetes (Nolso 2002).
We managed to obtain data from 49 species, including 27 species from the order Cicconiformes, 16 species from the order Passeriformes, two species from each of the orders Anseriformes and Strigiformes, and one species each from the orders Coraciiformes and Piciformes.