Endangered and Threatened Species

Rhynchophanes mccownii Status: Common regular spring and fall migrant west, rare casual elsewhere. Locally common regular breeder western Panhandle. State listed as Threatened. Documentation: UNSM ZM7565, 20 Jun 1901 Indian Creek, Sioux Co. Taxonomy: Chesser et al (2010) transferred this species from the genus Calcarius to monotypic Rhynchophanes. The English name of this species was […]

Sternula antillarum athalassos Status: Fairly common regular spring and fall migrant central and east, rare west. Locally fairly common regular breeder east and central. State listed as Endangered. Documentation: Specimen: UNSM ZM6222, 4 Aug 1902 Badger, Holt Co. Taxonomy: Three subspecies are currently recognized (AviList 2025), although these are weakly differentiated (Pyle 2008); athalassos occurs […]

Calidris canutus RUFA Status: Rare casual spring and fall migrant statewide. State and federally listed as Threatened. Documentation: Photograph: 5 Sep 1986 Lake Babcock, Platte Co (Mollhoff 1987). Taxonomy: Six subspecies are currently recognized, three in Eurasia and three breeding in North America: roselaari in northwest Alaska, rufa in northern Canada, and islandica on islands […]

Charadrius melodus circumcinctus Status: Locally fairly common breeder central and east, rare casual west. Uncommon spring and fall migrant away from breeding sites. State and federally listed as Threatened. Documentation: Specimen: UNSM ZM6102, 17 Jun 1902 Keya Paha Co. Taxonomy: Two subspecies are recognized, melodus of the Atlantic Coast and circumcinctus of interior US, including […]

ANARHYNCHUS montanus Status: Fairly common regular breeder southwestern Panhandle. Fairly common regular spring and fall migrant southwestern Panhandle, rare casual elsewhere. State listed as Threatened. Documentation: Specimen: HMM 3053, 7 Apr 1917 Whitman, Grant Co. Taxonomy: Genetic studies resulted in a transfer of this species from genus Charadrius to genus Anarhynchus (Chesser et al 2024). […]

Grus americana Status: Locally rare regular spring and fall migrant central, rare casual elsewhere. Rare casual summer visitor central and west. State and federally listed as Endangered. Documentation: Specimen: HMM 3823 (two birds), spring 1899 Grand Island, Hall Co. Taxonomy: No subspecies are recognized (AviList 2025). Changes Since 2000: The wild flock that includes individuals […]