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. 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 California and Oregon were intermediate, […]
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 […]
Ross’s Goose x Canada Goose (hybrid)
Anser rossii x Branta canadensis Status: Rare casual winter visitor west. Records: There are two records, likely 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 two records: 20 Mar 2022 Lake Wanahoo, Saunders Co (Meester, 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 uncommon hybrid, although not unexpected (Gammonley 2020). There are about […]