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Photographed in Hamburg, Iowa, by
Jim Rosso
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"An hour before dark, in the
lengthening evenings of early May, we often see a little
gathering of New England (Chimney) swifts that have settled
on their nesting grounds but are not occupied as yet with
breeding activities, flying about in company, high over
their chosen chimney, chattering together. ... Then, as dusk
deepens, at about the time the bat appears, they gather
around their chimney and drop into it." Winsor Marrett
Tyler, Bent's Life Histories of North American Cuckoos,
Goatsuckers, Hummingbirds, and their Allies
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