In the Drop, Chimney Swifts congregate in significant figures in preparing for their migration to South America. At dusk they start to circle about significant chimneys, air shafts and Chimney Swift Towers. As darkeness falls they enter their night time time accomodations. They are not audio sleepers and are restless in the roost in which they preen, chatter with their neighbors and fly from palce to spot among quick naps. At initial light, they typically take to the sky. If you have
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