See Swirling Swifts This Fall
Every fall, flocks of tiny bat-like birds exhibit one of the greatest migration spectacles: hundreds and thousands of swifts gather into a swirling bird tornado above their chimney roost site.
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Every fall, flocks of tiny bat-like birds exhibit one of the greatest migration spectacles: hundreds and thousands of swifts gather into a swirling bird tornado above their chimney roost site.
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Every fall, flocks of tiny bat-like birds exhibit one of the greatest migration spectacles: hundreds and thousands of swifts gather into a swirling bird tornado above their chimney roost site.
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