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    Correction of Locality Records for the Endangered Arroyo Toad (Anaxyrus californicus) from the Desert Region of Southern California

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    Subject
    arroyo toad; Anaxyrus californicus; endangered species; geographic range; museum specimens; record validation
    Author
    Ervin, Edward L.; Beaman, Kent R.; Fisher, Robert N.
    Journal Title
    Scas: Bulletin of the Southern California Academy of Sciences
    Volume
    112
    Issue
    scas/vol112/iss3; 3
    Metadata
    Show full item record
    URI
    https://scholar.oxy.edu/handle/20.500.12711/11546
    Abstract
    The recovery strategy for an endangered species requires accurate knowledge of its distribution and geographic range. Although the best available information is used when developing a recovery plan, uncertainty often remains in regard to a species actual geographic extent. The arroyo toad (Anaxyrus californicus) occurs almost exclusively in coastal drainages, from Monterey County, California, south into northwestern Baja California, Mexico. Through field reconnaissance and the study of preserved museum specimens we determined that the four reported populations of the arroyo toad from the Sonoran Desert region of Riverside, San Diego, and Imperial counties, California are in error. Two additional sites in the Sonoran Desert are discussed regarding the possibility that the arroyo toad occurs there. We recommend the continued scrutiny of arroyo toad records to maintain a high level of accuracy of its distribution and geographic extent.
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