Record of a Redhead, Aythya americana, laying eggs in a Northern Harrier, Circus cyaneus, nest Written by PoB, verified by Editorial Team December 27, 2011 Anatidae, AnseriformesRedhead (Aythya americana) Science Article 5 abstractAlberta; Anatidae; Aythya americana; Circus; Circus hudsonius; egg; egg description; eggs; laying; nest; nest parasitism; Northern HarrierFleskes,J. P, Canadian Field-Naturalist 106:263-264.Download articledownload full text (pdf)