Keywords: bird birds sparrow swamp sparrow swampsparrow biml usgs droege washington d.c. washingtondc district of columbia districtofcolumbia gray rusty avian aves bill dead death window building feathers hi-res hires zerene stacker zerenestacker focus stacking focusstacking migration fall fall migration fallmigration taxonomy:binomial=melospiza georgiana taxonomy:binomial=melospizageorgiana macro stackshot usgsbiml animal Swamp sparrow, Washington D.C., Fall or spring 2012, died striking building downtown, collected by lightsoutdc with permits Swamp sparrow, Washington D.C., Fall or spring 2012, died striking building downtown, collected by lightsoutdc with permits |