Breeding ecology and fasting tolerance of scaup and other ducks in the boreal forest of alaska...(M.S.) University of Alaska Fairbanks, 2007Information on the breeding ecology of boreal forest ducks is lacking, despite management concern for species such as the lesser scaup (Aythya affinis), whose population has declined markedly since the 1980s....
Foraging ecology and distribution of scaup (aythya spp.) on arkansas commercial baitfish and sportfish farmsLesser Scaup (Aythya affinis)and Greater Scaup (Aythya marila) have been reported to consume substantial quantities of golden shiners (Notemigonus crysoleucas), fathead minnows (Pimephales...
Greater scaup aythya marila and its flocks in the odra river estuary.A—Scaup flock in the Miroszewo (MI) subarea, 16.10.2013,...
Winter distribution of greater scaup aythya marila in relation to available food resourcesThe European wintering population of Greater Scaup has declined significantly over the last 20 years and some of the main threats appear to be at the wintering grounds....
