Chimney Swift Passage.docx - Chimney Swifts Chimney Swifts...

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Chimney Swifts Chimney Swifts Chimney swift are small, slender birds that have become a symbol of summer for many. they usually appear urine warm, summer months as they make their way to more tropical sites for the winter. They are recognized spectacular, chirping flocks moving through the sky in synchrony. chimney swift can be seen most vividly at the colonies of hundreds. Or even thousands, of individuals from tornado like funnels as they descend into the chimney. Unfortunately, the size of the colonies we see is misleading. Though the numbers may seem remarkable, chimney population have been declining sharply since the 1970s due primarily to habitat loss. Unlikely most birds, chimney swift cannot perch or stand upright, so they require long, hollow spaces that are provide save roosting and nesting sites . Historically, chimney swift preferred hollow trees. However, Espeon pioneers territory and replaced

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