Aythya americana x Aythya collaris 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 documented at Flanagan Lake, Douglas Co 4-6 Apr 2020 by Sam […]
Yellow-shafted, Red-shafted and intergrade flickers in Nebraska
Joel G. Jorgensen and W. Ross Silcock | joel.jorgensen@nebraska.gov, silcock@rosssilcock.com | 28 December 2020 The Northern Flicker (Colaptes auratus) is a common species that has two field identifiable subspecies, the “yellow-shafted” flicker (YSFL) and the “red-shafted” flicker (RSFL). The problem and challenge for Nebraska birders is that YSFLs and RSFLs regularly interbreed and the intergradation […]
GREAT KISKADEE
Pitangus sulphuratus texanus Status: Accidental in spring. Taxonomy: A recent decision by AOS (Chesser et al 2018) rearranged the order of subfamilies within the Tyrannidae, placing Tyranninae (Nebraska-occurring genera Myiarchus, Pitangus, Tyrannus) ahead of Fluvicolinae (Nebraska-occurring genera Contopus, Empidonax, Sayornis, Pyrocephalus). We follow this order of genera. Of ten recognized subspecies (Gill et al 2022), only […]
BLACK PHOEBE
Sayornis nigricans semiatra Status: Accidental in spring. Taxonomy: There are six subspecies, two of which occur in South America and may be a separate species, White-winged Phoebe, and four in central America and Mexico, only one of which occurs north of Mexico, semiatra (Gill et al 2022, but note spelling). The Nebraska record is presumed […]
[MEXICAN WHIP-POOR-WILL]
Antrostomus arizonae Status: No accepted records. Taxonomy: There are five subspecies, only one north of Mexico: arizonae, occurring in the southwestern USA into Mexico (Gill et al 2020). This species was split from Eastern Whip-poor-will (former Caprimulgus vociferus, now A. vociferus) in 2010 based on differences in vocalizations and mitochondrial and nuclear DNA (Han et […]
BONO updated to reflect AOS changes
Joel Jorgensen | joel.jorgensen@nebraska.gov | 24 June 2019 The 2019 (fifty-ninth) Supplement to the American Ornithological Society’s (AOS) Check-list of North American Birds is out and available for download HERE. The supplement, which is published each summer, makes changes to the official checklist of birds used by just about everyone. In some years, the changes […]