Bar-headed Goose (Anser indicus) Science Article 1 abstract We tested the hypotheses that the relationship between heart rate (fH) and the rate of oxygen consumption (V . O,) differs between walking and flying in geese and that fH and O, have a U-shaped relationship with flight speed. We trained barnacle geese Branta leucopsis (mean mass […]

American Wigeon (Anas americana) Science Article 1 abstract Mallards (Anas platyrhynchos) and American Wigeon (A. americana) were studied in Alabama from November through February 1983-85. Resting was the major activity of Mallards (39-54%) and feeding was the major activity of American Wigeon (45- 7 1%). Mallards increased feeding during the colder winter of 1983-84, but […]

American Wigeon (Anas americana) Science Article 2 abstract Characterized by a haunting whistle and contrasting plumage, the American wigeon (Anas Americana) is one of North America’s most distinguishable ducks. Its wariness, whistle, coloration and low abundance relative to other ducks (e.g. mallards, gadwall, blue-winged teal, pintails) makes wigeon a welcomed addition in hunters’ bags. Doug […]

[order] ANSERIFORMES | [family] Anatidae | [latin] Anas flavirostris | [authority] Vieillot, 1816 | [UK] Yellow-billed Teal | [FR] Sarcelle a bec jaune | [DE] Andenente | [ES] Pato Barcino (Arg, Uy, Bo) | [NL] Chileense Taling | [copyright picture] Falkland Islands Tourist Board Subspecies Monotypic species Genus Anas is a genus of dabbling ducks. […]

[order] ANSERIFORMES | [family] Anatidae | [latin] Asarcornis scutulata | [authority] S. Muller, 1842 | [UK] White-winged Duck | [FR] Canard a ailes blanches | [DE] Weissflugel-Moschusente | [ES] Pato de Jungla | [NL] Witvleugelboseend Subspecies Monotypic species Genus The White-winged Duck or White-winged Wood Duck (Asarcornis scutulata) is a species of duck, formerly placed […]

[order] ANSERIFORMES | [family] Anatidae | [latin] Melanitta deglandi | [authority] Linnaeus, 1758 | [UK] White-winged Scoter | [FR] Macreuse a ailes blanches | [DE] Amerikanische Samtente | [ES] Negron Especulado | [NL] Witvleugel Zee-eend | [copyright picture] Gary Kramer Subspecies Monotypic species Genus The scoters are stocky seaducks in the genus Melanitta. The drakes […]

[order] ANSERIFORMES | [family] Anatidae | [latin] Anas undulata | [authority] Dubois, 1839 | [UK] Yellow-billed Duck | [FR] Canard a bec jaune | [DE] Gelbschnabel-Ente | [ES] anade Picolimon | [NL] Geelsnaveleend | [copyright picture] Steelback Subspecies Genus Species subspecies Region Range Anas undulata AF ec, sc, s Genus Anas is a genus of […]

[order] ANSERIFORMES | [family] Anatidae | [latin] Dendrocygna arborea | [authority] Linnaeus, 1758 | [UK] West Indian Whistling Duck | [FR] Dendrocygne a bec noir | [DE] Kuba-Pfeifgans | [ES] Suiriri Yaguaza, Chiriria Caribena | [NL] Westindische Fluiteend Subspecies Genus Species subspecies Region Range Dendrocygna arborea NA West Indies Genus Whistling ducks comprise a group […]

[order] ANSERIFORMES | [family] Anatidae | [latin] Thalassornis leuconotus | [authority] Eyton, 1838 | [UK] White-backed Duck | [FR] Erisamture a dos blanc | [DE] Weissrucken-Pfeifgans | [ES] Pato Dorsiblanco | [NL] Witrugeend | [copyright picture] Jan Harteman Subspecies Monotypic species Genus The White-backed Duck (Thalassornis leuconotus) is a waterbird of the family Anatidae. It […]

[order] ANSERIFORMES | [family] Anatidae | [latin] Anas georgica | [authority] Gmelin, 1789 | [UK] Yellow-billed Pintail | [FR] Canard a queue pointue | [DE] Spitzschwanz-Ente | [ES] Pato Maicero (Arg,Bo) | [NL] Zuidamerikaanse Pijlstaart | [copyright picture] Jan Harteman Subspecies Monotypic species Genus Anas is a genus of dabbling ducks. It includes mallards, wigeons, […]