- Alberta, April 22, 1982Recorded by William W. H. Gunn | Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - Alaska, July 10, 2007Recorded by Gerrit Vyn | Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - Colorado, January 11, 2013Recorded by Nathan PieplowMedia Player Error
Update your browser or Flash plugin - Alberta, May 10, 1982Recorded by William W. H. Gunn | Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - Alberta, June 14, 1959Recorded by Robert C. Stein | Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - Manitoba, June 17, 1959Recorded by William W. H. Gunn | 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.
