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Western Spadefoot Toad - English
URL: http://sacramento.fws.gov/es/animal_spp_acct/w_spadefoot_toad.htm

Historically, the western spadefoot ranged from Redding to northwestern Baja California. In California, the species was found throughout the Central Valley, and in the Coast Ranges and coastal lowlands from San Francisco Bay to Mexico. It has been extirpated from many locations within this range.

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Amphibians of Canada -- Browse Species - English
URL: http://collections.ic.gc.ca/amphibians/taxa/Pelobatidae.html

Great Basin spadefoot Spea intermontanus, Plains spadefoot Spea bombifrons.

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AmphibiaWeb Species List: Pelobatidae - English
URL: http://elib.cs.berkeley.edu/aw/lists/Pelobatidae.shtml

The vernacular name of this family, spadefoot toads, indicates one of the more distinctive features of the members of this family. They possess a horny tubercle on the rear edge of each hind foot that is used when these animals bury themselves rear first.

[ eng ]