Aythya americana


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Noun1.Aythya americana - North American diving duck with a grey-and-black body and reddish-brown headAythya americana - North American diving duck with a grey-and-black body and reddish-brown head
duck - small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs
Aythya, genus Aythya - canvasback; redhead; pochard; etc.
References in periodicals archive ?
The individual was clearly longer-bodied than the Redheads (Aythya americana) and American Wigeons (Anas americana) that were swimming in the surroundings.
Dendritobilharzia species have been reported from avian hosts including Aix sponsa, Anas creca, Anas discors, Anas platyrhynchos, Anas querquedula, Anas rhynchotis, Anas superciliosa superciliosa, Aythya affinis, Aythya americana, Aythya ferina, Aythya novaeseelandiae, Bucephala albeola, Bucephala clangula, Cygnus olor, Cygnus atratus, Cygnus columbianus, Mergus merganser, Mergus serrator, Nettion crecca and Tadorna variegate from Poland (Sulgostowska, 1972; Khalifa, 1976), New Zealand (Rind, 1989), North America (Ulmer and Vande Vusse, 1970), Brazil (Freitas and Costa, 1972), Czech Republic (Kalarova et al., 1989, 1997), Germany (Palm, 1965); Texas (Canaris et al., 1981), India (Chauhan et al., 1973 and France (Bayssade-Dufour et al., 2006).