Identification
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All Naturesongs files (digital sound or image) posted on ADW are protected by United States Copyright law. The use or reproduction of any file must be authorized in writing from Naturesongs.com. While permission for non-commercial educational and scientific use is often granted without charge, permission must still be in writing from Naturesongs.com. Email 
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Caption
Here's a remarkable recording of a huge flock of Pinyon Jays (Gymnorhinus cyanocephalus) which flew over my room at Grand Canyon, Arizona, December 12, 1997. These Jays often flock together, but this flock was extraordinary. There were perhaps 1000-1500 birds together, all calling at the same time. It's difficult to estimate large numbers, but the flock flew over me for just over 60 seconds, and was at least 50 meters wide, solid with birds!
Douglas Von Gausig (recordist, copyright holder), Naturesongs.com
