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Keywords from Image Description:
zonotrichia albicollis zonotrichiaalbicollis zonotrichia whitethroated sparrow whitethroatedsparrow lights out dc lightsoutdc dc washington d.c. washingtondc bird strike birdstrike building migration fall migration fallmigration hazard dead dead bird deadbird bird in hand birdinhand biml droege usgs pwrc zerene stacker zerenestacker