Northern Rough-winged Swallow (Stelgiodopteryx serripennis subsp. serripennis) Sexes appearing similar. Bell County Expo Center, Belton, Bell County, Texas, USA. A crossroads of the Edwards Plateau and the Blackland Prairies Vegetational Areas. Urban setting with small patches of native vegetation, at ca. 236 m (774 ft) elevation.
I am heading to South Texas tomorrow for a week and will be off line during that time.