Chimney Swift 2 WV Twittering calls

“Chimney Swift 2 WV Twittering calls” from Cornell Guide to Bird Sounds: Master Set for North America by Cornell Lab of Ornithology. Released: 2013. Track 1,814. Genre: Natural Sounds.
Chaetura pelagica; West Virginia, United States; 18 June 2000; Wilbur L. Hershberger; ML 107413