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.
Sounds were recorded from 8 - 10 PM on a very windy night on the outskirts of Chico, Butte County, California;
Pacific chorus frogs are also heard;
Air temperature was 63 degrees Fahrenheit, elevation, approx. 180 feet;
Spadefoots were calling from hidden locations at the edge of flooded depressions on a grassy plain near a permanent creek; Local Time: Between 8:00 PM and 10:00 PM