- Manitoba, June 15, 1996Recorded by Geoffrey A. Keller | Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - New York, June 08, 1987Recorded by Randolph Little | Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - New Hampshire, July 24, 1997Recorded by Wil HershbergerMedia Player Error
Update your browser or Flash plugin - New Hampshire, July 23, 1997Recorded by Wil HershbergerMedia Player Error
Update your browser or Flash plugin - Maryland, March 01, 1998Recorded by Wil HershbergerMedia Player Error
Update your browser or Flash plugin - Pennsylvania, October 17, 2007Recorded by Andrew FarnsworthMedia Player Error
Update your browser or Flash plugin - Alaska, June 06, 2006Recorded by Gerrit Vyn | Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - California, April 28, 1987Recorded by Thomas G. Sander | Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - California, April 28, 1987Recorded by Thomas G. SanderMedia Player Error
Update your browser or Flash plugin - California, June 15, 1997Recorded by Gregory BudneyMedia Player Error
Update your browser or Flash plugin - Montana, July 23, 2002Recorded by Tim BurrMedia Player Error
Update your browser or Flash plugin - South Dakota, June 11, 1961Recorded by Randolph LittleMedia Player Error
Update your browser or Flash plugin - Wyoming, June 05, 1997Recorded by Gregory BudneyMedia Player Error
Update your browser or Flash plugin - Utah, June 29, 1990Recorded by Kevin J. ColverMedia 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.
