Rissa tridactyla Status: Rare casual spring migrant statewide. Rare regular fall migrant statewide. Documentation: Specimen: UNSM ZM16143, 20 or 21 May 1990 adult Lake McConaughy, Keith Co. (Johnsgard 1990, Grenon 1991). Taxonomy: There are two subspecies, tridactyla of the North Atlantic from eastern Canada to western Russia, and pollicaris of the North Pacific from eastern […]
BONAPARTE’S GULL
Chroicocephalus philadelphia Status: Fairly common regular spring and fall migrant statewide. Documentation: Specimen: UNSM ZM6622, 31 Mar 1893 Lancaster Co. Taxonomy: No subspecies are recognized (AviList 2025). Spring: Mar 19, 20, 20 <<<>>> May 25, 25, 26 Earlier dates are 7 Mar 1983 Wayne Co, 11 Mar 2013 Platte Co, and 12 Mar 2016 Lancaster […]
ROSS’S GULL
Rhodostethia rosea Status: Rare casual fall visitor. Documentation: Photograph: 17 Dec 1992 Sutherland Reservoir, Lincoln Co (Dinsmore and Silcock 1993, Rosche 1993, Gubanyi 1996). Taxonomy: No subspecies are recognized (AviList 2025). Fall: There are three records: 26 Nov-7 Dec 2010 Gavin’s Point Dam, Cedar Co (Brogie 2011) 3-4 Dec 2010 Branched Oak Lake, Lancaster Co […]
LITTLE GULL
Hydrocoloeus minutus Status: Rare casual spring and fall migrant statewide. Documentation: Photograph: 26 Apr 1995 Wehrspann Lake, Sarpy Co (Gubanyi 1996). Taxonomy: No subspecies are recognized (AviList 2025). Spring: There are five records. The alternate-plumaged individual at Wehrspann Lake 26 Apr 1995 (cited above) was with a large flock of Bonaparte’s Gulls, typical of this […]
BLACK-HEADED GULL
Chroicocephalus ridibundus Status: Rare casual fall migrant. Documentation: Description: 12 Aug 1979 Walgren Lake, Sheridan Co (Rosche 1982; Bray et al 1986). Taxonomy: No subspecies are currently recognized (AviList 2025). Several authors recognize two subspecies: nominate ridibundus, an Eurasian and local eastern North American breeder, replaced by sibiricus in eastern Siberia (Howell and Dunn 2007, […]
[IVORY GULL]
Pagophila eburnea Status: No accepted records. Taxonomy: No subspecies are recognized (AviList 2025). Comments: A report of an adult seen briefly 12 Oct 1986 in Antelope Co (Marsh and Marsh 1986) was not accepted by the NOURC (Mollhoff 1987). It was described as a “white gull” with “black legs and feet and a black bill”; […]