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New record of California red-legged frog (Rana draytonii) in Whitewater Canyon, Riverside County, CA, USA


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Backlin, A.R., Richmond, J.Q., Gallegos, E.A., Christensen, C.K., and Fisher, R.N., 2017, New record of California red-legged frog (Rana draytonii) in Whitewater Canyon, Riverside County, CA, USA: U.S. Geological Survey data release,


In February 2017, a population of California red-legged frog Rana draytonii was discovered in the southern foothills of the San Bernardino Mountains of Riverside County, California, near the edge of the species’ historic distribution. A few days after the first sightings of R. draytonii at the Whitewater Preserve, we conducted a visual daytime search for frogs, tadpoles and egg masses followed by a nighttime eye shine search for adult frogs. The captured frog weighed, measured (snout-to-urostyle [SU]), sampled for tissue and georeferenced using a GPS unit. Survey work was authorized by a U.S. Fish and Wildlife Service Recovery Permit and a California Department of Fish and Wildlife Scientific Collecting Permit. To better understand [...]


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Original FGDC Metadata

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CA_red_legged_frog.csv 304 Bytes


These data can be used to promote conservation of the federally threatened California red-legged frog.


The authors of these data require that data users contact them regarding intended use and to assist with understanding limitations and interpretation. Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.



  • USGS Western Ecological Research Center



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DOI doi:10.5066/F7C82870

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