Larus SMITHSONIANUS x LARUS fuscus Status: Rare casual in winter Records: The only Nebraska record is of one at Lake McConaughy, Keith Co 27 Dec 2022 (Mlodinow, eBird.org). There are numerous records of this hybrid in eastern North America, with a few westward, including four along the Colorado Front Range Oct-Jan (eBird.org, accessed Mar 2023). Comments: […]
Snow x Greater White-fronted Goose
Anser caerulescens x Anser albifrons Status: Rare casual spring migrant. Record: The only records are of singles in Dakota Co 19 Feb 2023 (B. F. Huser, eBird.org). and Sarpy Co 8 Feb 2024 (E. Winter, eBird.org). Comments: There are numerous records of this hybrid, most in the Mississippi and Missouri river valleys, with seven in […]
Myrtle Warbler x Audubon’s Warbler (hybrid)
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 and 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 sympatric breeding populations in […]
Snow x Canada Goose (hybrid)
Anser caerulescens x Branta CANADENSIS Status: Rare casual winter visitor statewide. Winter: There are 17 records from 26 Oct- 23 Mar, only two from the east central and east: two were at Glenn Cunningham Lake, Douglas Co 26-27 Oct 2018 and two were at Stoneridge Lake, Buffalo Co 31 Dec 2023. One remained at Scottsbluff […]