Audio file courtesy of the National Park Service. Converted to mp3 delivery format and made available by the Western Soundscape Archive at Westernsoundscape.org under the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License; http://creativecommons.org/licenses/by-nc-nd/3.0/us/
Western Soundscape Archive, University of Utah
National Park Service
Compressed from .wav format into .mp3 delivery format
J. Willard Marriott Library, University of Utah, Salt Lake City, Utah 84112; Ecological and animal data provided by NatureServe. NatureServe Explorer: An online encyclopedia of life [web application]. NatureServe, Arlington, Virginia. Available http://www.natureserve.org/explorer.