Setophaga auduboni auduboni Status: Fairly common regular spring and fall migrant west and west central, uncommon east central, rare casual east. Uncommon regular breeder northwest. Rare casual winter visitor west central. Documentation: Specimen: UNSM ZM6847, 21 May 1900 Sioux Co. Taxonomy: See discussion under Yellow-rumped (Myrtle) Warbler here. Birds breeding in Nebraska were assigned to […]