Relict leopard frogs and canyon treefrogs

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  • Common Name: Relict Leopard Frog; Canyon Treefrog

    Scientific Name: Lithobates onca; Hyla arenicolor

    Date: 2008-03-20

    Time: 10:00PM

    Creator: Rice, Jeff

    Description: The faint chuckling calls of relict leopard frogs are joined intermittently by the louder, bleating calls of canyon treefrogs. Frogs call in a narrow canyon at approximately 10 PM

    Notes: Relict leopard frogs are considered "Endangered" by the International Union for Conservation of Nature (IUCN), and are candidates for listing under the United States Endangered Species Act; their range is currently restricted to a few small areas in Nevada and Arizona; Air temperature was 19.8 degrees Celsius, winds were less than 2kmph, cloud cover was 0%, and the water temperature was 5 degrees Celsius; Recordings were made using Sennheiser MKH30 and MKH40 microphones recording in an MS pattern to a Sound Devices 722 recorder; Sampling rate was 24 bit/44.1 kHz; Local Time: 10:00 PM

    Location: Lake Mead National Recreation Area (Ariz. and Nev.); Arizona

    Duration: 00:02:14

    Acknowledgments: Drake, Dana

    Audio Rights: Audio file copyright 2008, the Western Soundscape Archive at the University of Utah J. Willard Marriott Library. Use of this audio file is allowed in accordance with the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.

    Image Rights: Photographer: Katja Schulz, http://www.flickr.com/photos/86548370@N00 Provider: Flickr: EOL Images, http://www.flickr.com/groups/encyclopedia_of_life

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