- Colorado, April 11, 2018Recorded by Tom Johnson / Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - Colorado, April 17, 2009Recorded by Daniel LaneMedia Player Error
Update your browser or Flash plugin - Wyoming, August 22, 1986Recorded by Arnoud B. van den Berg / Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - Colorado, December 08, 2007Recorded by Nathan PieplowMedia Player Error
Update your browser or Flash plugin - Colorado, April 29, 2006Recorded by Nathan Pieplow / Macaulay LibraryMedia Player Error
Update your browser or Flash plugin - Colorado, April 29, 2006Recorded by Nathan Pieplow / 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.