Anser cygnoides x anser ANSER Status: No accepted records. Comments: There are reports from five locations, presumably of released or escaped hybrids from domestic stock. A flock of 12 appeared around 2008 at Fremont Lakes SRA, Dodge Co; three remained Nov 2015 and one female on 26 Feb 2021 (Charlotte Croshaw, personal communication; eBird.org). One […]
Mallard x Mexican Duck (hybrid)
ANAS platyrhynchos x diazi Status: Rare casual summer visitor Records: There are five records: 26 Apr 2023 Scotts Bluff Co (Mlodinow, eBird.org) 20 Jul 2013 photograph Clay Co (Paul Dunbar, personal communication) 30 Oct 2024 Cochran Lake, Scotts Bluff Co (Mlodinow, eBird.org) 12 Nov 2019 photograph Sioux Co (Mlodinow, eBird.org) 14 Dec 2021 Cochran Lake, […]
American Wigeon x Mallard (hybrid)
Mareca americana x Anas platyrhynchos Status: Rare casual in winter. Records: There are four records: 25 Nov 2024 Scottsbluff WTP, Scotts Bluff Co (Mlodinow, eBird.org) 16 Jan 2022 Scotts Bluff Co (Hunter Baillie, personal communication; photo) 20 Mar 2021 Cochran […]
Townsend’s x Black-throated Green Warbler (hybrid)
Setophaga townsendi x virens Status: Accidental in spring and fall. Records: There are two: 8 May 2022 Wilderness Park, Lancaster Co (Shari Schwattz, John Carlini; eBird Checklist – 8 May 2022 – Wilderness Park – 40 species (+2 other taxa). 31 Aug 2018 Wildcat Hills Nature Center, Scotts Bluff Co (Mark Brogie; King et al […]
Summer x Scarlet Tanager (hybrid)
Piranga rubra x olivacea Status: Accidental in spring. Records: There are two records, around 130 years apart. An adult male collected by L. Skow at Omaha 20 May 1892 (USNM 128032) is labeled a “possible hybrid” between this species and Scarlet Tanager, although Ridgway was more definite, and considered it “an unmistakable case of hybridism […]
Golden-winged Warbler x Blue-winged Warbler (hybrid)
Vermivora chrysoptera x VERMIVORA cyanoptera Status: Rare casual spring and fall migrant east. Documentation: Brewster’s Warbler: photograph, 18 May 2020 Madison Co (Brogie, in gallery); Lawrence’s Warbler: photograph 25 May 2021 Sarpy Co (Swanson, in gallery); F2 or later backcross. Taxonomy: This species and Blue-winged Warbler V. cyanoptera hybridize frequently and produce fertile hybrids; their […]