Setophaga coronata x SETOPHAGA Auduboni Status: Uncommon spring and fall migrant west and central, rare east. Rare casual winter visitor east. Taxonomy: The subspecies coronata and auduboni were at one time considered separate species, Myrtle and Audubon’s Warblers respectively, but since 1983 have been treated as conspecifics due to the presence of hybrid zones from […]
Yellow-throated Vireo x Blue-headed Vireo (hybrid)
Vireo flavifrons x VIREO solitarius Status: Accidental in fall. Record: A single bird identified as this hybrid was photographed at Ash Hollow State Historical Park, Garden Co, 6 Sep 2022 (Steven Mlodinow, https://ebird.org/checklist/S118246264). Comments: This hybrid appears to be exceptionally rare (McCarthy 2006); eBird (eBird.org, accessed Mar 2024) shows only two other records, from Oswego […]
Western x Clark’s Grebe (hybrid)
Aechmophorus occidentalis x AECHMOPHORUS clarkii Status: Rare regular spring migrant west and west central. Uncommon fall migrant west and west central. Rare casual breeder Keith Co. Documentation: Photograph: 25 May 2020 Box Butte Reservoir SRA, Dawes Co (Leukering, Dunning; eBird.org). Taxonomy: Hybridization occurs between the two Aechmophorus species. Konter (2011) found around 3.5% of birds in […]
Snow x Canada Goose (hybrid)
Anser caerulescens x Branta CANADENSIS Status: Rare regular winter west and central, rare casual east. Winter: There are 20 records from 26 Oct- 23 Mar, including three easterly reports in Buffalo Co, two at Stoneridge Lake 31 Dec 2023, a series of reports of up to six centered on Cottonmill Park 14 Dec 2024-8 […]
Ross’s Goose x Canada Goose (hybrid)
Anser rossii x Branta canadensis Status: Rare casual winter visitor west. Records: There are two records, possibly of the same bird. 14 Dec 2021 Scottsbluff WTP, Scotts Bluff Co (Mlodinow, Bushong; eBird.org) 7 Mar 2022 Scottsbluff, Scotts Bluff Co (Mlodinow, eBird.org) Regarding the 2021 record, the observer noted: “Very peculiar looking hybrid. Photos. Color scheme […]
Cinnamon Teal x Northern Shoveler
Spatula cyanoptera x clypeata Status: Accidental in spring. Records: There are three records: 20 Mar 2022 Lake Wanahoo, Saunders Co (Meester, eBird.org) 14 Apr 2025 Smith Lake WMA, Sheridan Co (Craiglow, eBird.org) 16-19 May 2023 Wagon Train RA, Lancaster Co (eBird.org) Comments: According to “Bird Hybrids” (Bird Hybrids: Index of Bird Hybrids) this is an […]