Thryothorus ludovicianus ludovicianus Status: Common regular resident southeast, rare casual elsewhere. Rare regular summer and winter visitor north and west of resident range. Documentation: Specimen: UNSM ZM11643, 27 Dec 1911 Rulo, Richardson Co. Taxonomy: Recent authors recognize 10 subspecies; of five that occur entirely north of Mexico, ludovicianus is found over most of the eastern US […]
TUFTED TITMOUSE
Baeolophus bicolor Status: Fairly common regular resident southeast. Rare casual fall, winter and spring visitor elsewhere. Documentation: Specimen: UNSM ZM6547, 30 Nov 1900 Lancaster Co. Taxonomy: This species and Black-crested Titmouse (B. atricristatus) were split as full species by Banks et al (2002). No subspecies are recognized (Gill et al 2022). See Comments for notes […]
WHITE-BREASTED NUTHATCH
Sitta carolinensis carolinensis, S. c. nelsoni Status: Common regular resident east, central, Pine Ridge, and North Platte River Valley, uncommon elsewhere west. Uncommon regular winter visitor statewide. Documentation: Specimens: carolinensis: UNSM ZM11608, 23 Mar 1895 Lancaster Co; nelsoni: UNSM ZM6557, 14 Jun 1901 Warbonnet Canyon, Sioux Co. Taxonomy: Gill et al (2022) recognized seven subspecies, […]
PURPLE MARTIN
Progne subis Status: Common regular spring and fall migrant east, uncommon central, rare casual west. Common regular breeder east, locally common east central, rare west central. Documentation: Specimen: UNSM ZM10234, 30 May 1895 Lancaster Co. Taxonomy: There are three subspecies recognized (Gill et al 2022): arboricola of coastal British Columbia to southern California and New […]
BARN SWALLOW
Hirundo rustica erythrogaster Status: Common regular spring and fall migrant and breeder statewide. Documentation: Specimen: UNSM ZM6456, 27 Apr 1904 Falls City, Richardson Co. Taxonomy: Eight subspecies are recognized (Gill et al 2022), seven of which occur in Eurasia and Africa; the only subspecies breeding in North America is erythrogaster of Alaska, Canada, and the USA […]
VIOLET-GREEN SWALLOW
Tachycineta thalassina thalassina Status: Uncommon regular spring and fall migrant west, rare casual west central, accidental east central. Uncommon regular breeder west. Documentation: UNSM ZM6449, 22 Jun 1901 Warbonnet Canyon, Sioux Co. Taxonomy: Two subspecies are currently recognized (Brown et al 2020, Gill et al 2022): thalassina from Alaska and Canada south through western USA […]