Silcock & Jorgensen

Butorides virescens virescens Status: Fairly common regular spring and fall migrant and breeder east and south-central, uncommon north-central, rare casual Panhandle. Documentation: Specimen: UNSM ZM12399, 26 Apr 1917 Lincoln, Lancaster Co. Taxonomy: Green Heron was formerly included in the Little Heron B. striata complex, but genetic data indicated the complex consisted of four separate species […]

Ardea alba egretta Status: Fairly common regular spring migrant east and central, rare west. Fairly common, locally common, regular summer visitor east and central, rare west. Rare casual breeder. Common regular fall migrant east and central, rare west. Documentation: Specimen: UNSM ZM7653, 4 Aug 1930 Saunders Co. Taxonomy: Four subspecies are recognized (AviList 2025), one […]

Botaurus lentiginosus Status: Uncommon regular spring and fall migrant statewide. Uncommon regular breeder north, west, and Rainwater Basin, rare casual elsewhere. Documentation: Specimen: UNSM ZM12409, 19 Sep 1911 Lincoln, Lancaster Co. Taxonomy: No subspecies are recognized (AviList 2025). Spring: Apr 4, 5, 5 <<<>>> May 15, 15, 15 Earlier dates are 29 Mar 2020 Hamilton […]

Nannopterum auritum auritum Status: Abundant regular spring and fall migrant statewide. Locally common regular breeder north and west, rare casual elsewhere. Locally uncommon regular summer visitor away from breeding range locations. Rare casual winter visitor south. Documentation: Specimen: UNSM ZM7651, 1 Nov 1932 North Platte, Lincoln Co. Taxonomy: Chesser et al (2021) split New World […]

Anhinga anhinga leucogaster Status: Rare casual spring visitor southeast. Documentation: Photograph: 18 May 2017 Swan Creek WMA, Saline Co (William Flack, eBird.org; Brogie 2018). Taxonomy: Two subspecies are recognized (AviList 2025), leucogaster of the southeastern United States and northern Caribbean, and anhinga of South America and the southern Caribbean. Anhinga has traditionally consisted of four […]

Nannopterum brasilianum mexicanum Status: Rare regular summer visitor east and central Documentation: Specimen: UNSM ZM14226, 2 Oct 1982 Sutherland Reservoir (Wright 1983). Taxonomy: Chesser et al (2021) split New World Double-crested, Neotropic, and Flightless cormorants from Phalacrocorax to the resurrected genus Nannopterum, which required a specific epithet change from brasilianus to brasilianum and subspecies change […]