Bufo canorus Camp 1916, Yosemite Toad.

By:  and 
Edited by: Michael Lannoo


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Yosemite toads (Bufo canorus) are endemic to the Sierra Nevada, California, from Ebbetts Pass, Alpine County to the Spanish Mountain area, Fresno County (Karlstrom 1962, 1973; Stebbins 1966; unpublished Sierra National Forest survey data, 1995, 2002). Sites occur from 1,950–3,444 m elevation, with the majority of sites between 2,590–3,048 m (Karlstrom, 1962). Jennings and Hayes (1994a) estimate that populations have disappeared from 50% of historically reported sites, although the overall range of the species may have only contracted in the far north and in western Fresno County. Disappearances have been concentrated at lower elevation sites on the western edge of the range, with greater persistence at higher elevation sites (Davidson et al., 2002).

Publication type Book chapter
Publication Subtype Book Chapter
Title Bufo canorus Camp 1916, Yosemite Toad.
Volume 2: Species Accounts
Year Published 2005
Language English
Publisher University of California Press
Publisher location Berkeley, CA
Contributing office(s) Western Ecological Research Center
Description p. 400-401
Larger Work Type Book
Larger Work Subtype Other Government Series
Larger Work Title Amphibian Declines: The Conservation Status of United States Species
First page 400
Last page 401
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