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Illustrator David Sibley and actor H. Jon Benjamin will face off in the bird illustration battle of the century during BirdNote's Year-end Celebration and Auction!
Vaux's Swifts - Down the chimney!
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KJWVideo
Vaux's swifts roost in chimneys on their migration. They often use the same chimneys every year. At the peak of migration there can be many thousands flying into a single chimney.