- Colorado, June 23, 2008Recorded by Nathan PieplowMedia Player Error
Update your browser or Flash plugin - Colorado, June 23, 2008Recorded by Nathan PieplowMedia Player Error
Update your browser or Flash plugin - Montana, June 27, 1961Recorded by Warren Y. Brockelman | Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - Montana, June 27, 1961Recorded by Warren Y. Brockelman | Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - Colorado, June 21, 1970Recorded by William W. H. Gunn | Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - Washington, September 22, 2009Recorded by Charlie Wright | Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - Montana, June 27, 1961Recorded by Warren Y. Brockelman | Macaulay LibraryMedia Player Error
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Sounds provided by Macaulay Library.
Listen to more sounds of this species from the ML archive.
Listen to more sounds of this species from the ML archive.
