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: Four subspecies are recognized (Gill et al 2022), frazari in southern Baja California, bahamensis in the Bahamas, anthonyi in the western United States […]

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: Currently four subspecies are recognized (Gill et […]

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 (Gill et al 2022). Spring: Apr 4, 5, 5 <<<>>> May 15, 15, 15 Earlier dates are 29 Mar […]

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: Five subspecies had been recognized (Gill et […]

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: Anhinga has traditionally consisted of four subspecies worldwide that current authors generally consider separate species (Gill et al 2021). Two subspecies are recognized within newly constituted American species Anhinga, A. […]

Nannopterum brasilianum mexicanum Status: Rare regular summer visitor east and central Documentation: Specimen: UNSM ZM14226, 2 Oct 1982 Sutherland Reservoir (Wright 1983). Taxonomy: Two subspecies have been recognized (Gill et al 2021), mexicanum in the extreme southern United States, Caribbean, and Nicaragua, and brasilianum from Costa Rica south throughout South America. The AOS (Chesser et al […]