Silcock & Jorgensen

Catherpes mexicanus conspersus Status: Rare casual winter visitor west and north. Accidental in spring. Documentation: Photograph: 14 May-9 Jun 1992 Knox Co (Brogie 1992). Taxonomy: As many as 10 subspecies have been supported by various authors (Jones et al 2023), most weakly differentiated (Pyle 1997), leading Jones et al (2023) to recognize only three subspecies, […]

Poecile atricapillus septentrionalis Status: Fairly common regular resident statewide. Fairly common winter visitor statewide, common Missouri River Valley counties. Documentation: Specimen: UNSM ZM6484, Nov 1893 Lancaster Co. Taxonomy: The genus Poecile, previously a sub-genus within Parus, was raised to generic status by Banks et al (1997) based on genetic studies by Gill et al (2005) […]

Eremophila alpestris enthymia, E. a. praticola, E. a. leucolaema, E. a. hoyti, E. a. alpestris Status: Abundant regular spring and fall migrant and winter visitor statewide. Common regular resident statewide. Documentation: Specimens: praticola, UNSM ZM6423 4 Feb 1894 Omaha, Douglas Co; leucolaema, UNSM ZM10207 12 Nov 1897 Alliance, Box Butte Co; alpestris, UNSM ZM64 16 […]

Poecile hudsonicus Status: Accidental in winter. Documentation: Description, 16 Dec 1972-21 Jan 1973, Chet Ager NC, Lincoln, Lancaster Co (Bennett 1973). Taxonomy: Some authors recognize up to five subspecies (Pyle 1997, Gill et al 2022), but Phillips (1986) maintained that there was insufficient fresh material to support this, a position supported by Ficken et al […]

Poecile gambeli gambeli Status: Rare regular winter visitor west, rare casual central. Documentation: Specimen: UNSM ZM17444, 23 Nov 1996 Wildcat Hills NC, Scotts Bluff Co (Brogie 1997). Taxonomy: Four subspecies are recognized (Gill et al 2022): atratus of northwest Mexico, gambeli of the eastern Rocky Mountains, inyoensis of the central Rocky Mountains, and baileyae of […]

Corvus brachyrhynchos brachyrhynchos, C. b. hesperis Status: Common regular resident statewide. Abundant regular spring and fall migrant statewide. Abundant regular winter visitor statewide. Documentation: Specimen: UNSM ZM7635, 18 May 1907 Cass Co. Taxonomy: Four subspecies have been traditionally recognized (Gill et al 2022): hesperis from northern British Columbia to southern Saskatchewan south to southern California […]