For the past 2.5 hours this Saturday morning, July 20th, there's been a slow but steady night flight of Chipping Sparrows over Lafayette, eastern Boulder County.
In July adult Chipping Sparrows begin migrating to molting grounds in eastern Colorado and western Kansas (and presumably elsewhere). Many migrate by night, and their piercing flight calls, once learned, are distinctive--and one of the characteristic sounds of summer nights in the Front Range metro region.
Ted Floyd
tedfloyd57@hotmail.com
Lafayette, Boulder County, Colorado
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