Aythya fuligula x affinis Status: Accidental in spring. Record: A first state record of this hybrid was photographed at Gavin’s Point Dam in Knox Co 13 Apr 2021 (Strand et al, eBird.org). Comments: Tufted Duck hybridizes with other species of Aythya (Carboneras and Kirwan 2020). There are numerous records shown in eBird (eBird.org, accessed Jun […]