Tyrannus savana Status: No accepted records Taxonomy: Four subspecies are recognized, breeding from southern Mexico to South America (AviList 2025). The southernmost two subspecies in South America are northward migrants in fall; most North American records are from Sep-Nov and are mostly overshoot migrants of subspecies savana with fewer reports of monachus (Jahn and Tuero […]
[Whooper Swan]
Cygnus cygnus Status: No accepted records Taxonomy: No subspecies are recognized (AviList 2025). Whooper Swan is closely related to Trumpeter Swan (Carboneras and Kirwin 2020). Comments: There are two reports of presumed escapees or releases: 19 Dec 2023 Two Rivers SRA, Douglas Co (Elizabeth Winter, eBird.org; Brogie 2024) 6 Mar 2022 Yutan, Douglas Co (Linette Bolin […]
Gray-crowned x Black Rosy-Finch (hybrid)
Leucosticte tephrocotis X LEUCOSTICTE atrata Status: Accidental. Documentation: Photographs: 9 Jan 2024 Toadstool Road, Sioux Co (Mlodinow, eBird Checklist – 9 Jan 2024). Taxonomy: For some time, the three Nearctic forms (Gray-crowned Rosy-Finch L. tephrocotis, Black Rosy-Finch L. atrata, and Brown-capped Rosy-Finch L. australis) were treated as subspecies of Asian Rosy-Finch L. arctoa, but were […]
Ring-necked Duck x scaup sp. (hybrid)
Aythya collaris x AYTHYA AFFINIS/MARILA. Status: Accidental in fall. Record: There is one record of this hybrid combination, a single at Gering WTP, Scotts Bluff Co 31 Oct 2023 (Mlodinow, eBird.org). Comments: There are numerous records across North America of this hybrid combination (eBird. org, accessed Jan 2024), which is reportable to eBird for scaup […]
Ring-necked Duck x Lesser Scaup (hybrid)
Aythya collaris x AYTHYA affinis Status: Rare winter visitor statewide. Records: There are 12 records, the first in 2021, most in spring, presumably a reflection of increasing interest in hybrid waterfowl by observers. 28 Oct 2024 Lake Ogallala, Keith Co (Mlodinow, eBird.org) 31 Oct 2022 Scottsbluff WTP, Scotts Bluff Co (Mlodinow, eBird.org) 1 Dec 2024 […]
Redhead x Lesser Scaup (hybrid)
Aythya americana x AYTHYA affinis Status: Accidental in spring. Taxonomy: Redhead is known to have hybridized with each of the other four North American Aythya in the wild, Canvasback, Lesser Scaup, Greater Scaup, and Ring-necked Duck (Woodin and Michot 2020). Record: A drake was photographed in the Gavin’s Point Dam area, Cedar Co 1 and […]