Silcock & Jorgensen

Calamospiza melanocorys Status: Abundant regular spring and fall migrant west and west-central, uncommon east-central and northeast, rare casual southeast. Common regular breeder west, uncommon west-central, rare casual elsewhere. Documentation: Specimen: UNSM ZM12193, 30 May 1895 Lincoln, Lancaster Co. Taxonomy: No subspecies are recognized (AviList 2025). Spring: Apr 27, 28, 28 <<<>>> summer An earlier date […]

Ammodramus savannarum perpallidus Status: Fairly common regular spring and fall migrant statewide. Common regular breeder west and central, fairly common east. Documentation: Specimen: UNSM ZM7306, 12 May 1891 Lincoln, Lancaster Co. Taxonomy: Twelve subspecies are recognized (Vickery 2020, AviList 2025), eight in the West Indies and from Mexico to South America and four north of […]

Peucaea cassinii Status: Fairly common regular breeder and spring and fall migrant west and southern west central. Documentation: Specimen: UNSM ZM13090 (egg fragments), Jun 1974 Perkins Co (Bray et al 1986). Taxonomy: This species was recently re-assigned from genus Aimophila to Pucaea (Chesser et al 2010). No subspecies are recognized (AviList 2025). Spring: May 17, […]

Spinus pinus pinus Status: Common regular erratic spring and fall migrant statewide. Uncommon regular erratic breeder west, rare casual elsewhere. Common regular erratic winter visitor statewide. Breeding and migration Winter Documentation: Specimen: UNSM ZM7161, 6 Feb 1897 Lincoln, Lancaster Co. Taxonomy: Spinus, a former sub-genus of Carduelis, was raised to generic status based on genetic […]

Pipilo chlorurus Status: Rare regular spring and fall migrant west, rare casual central, accidental east. Rare casual statewide winter visitor. Documentation: Specimen: UNSM 7242, 11 Sep 1919 Monroe Canyon, Sioux Co (Mickel and Dawson 1920). Taxonomy: No subspecies are recognized (AviList 2025). There are four records in eBird of hybrids between Green-tailed Towhee and Spotted […]