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Very dark-patterned adult from near Puertecitos, Baja California © Stuart Young |
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Colorado Desert Sidewinders from north of Baja California |
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Adult, Imperial County, California |
Adult, Imperial County, California |
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Juvenile, San Diego County, California |
Adult, San Diego County, California |
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Adult, showing the horns above the eyes,
San Diego County, California © Kenny Elliott |
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Habitat in Baja California |
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Habitat, Baja California © Stuart Young |
References:
Grismer, L. Lee. Amphibians and Reptiles of Baja California, Including Its Pacific Islands and the Islands in the Sea of Cortés. The University of California Press, 2002.
McPeak, Ron H. Amphibians and Reptiles of Baja California. Sea Challengers, 2000.
Samuel M. McGinnis and Robert C. Stebbins. Peterson Field Guide to Western Reptiles & Amphibians. 4th Edition. Houghton Mifflin Harcourt Publishing Company, 2018.
Stebbins, Robert C. A Field Guide to Western Reptiles and Amphibians. 3rd Edition. Houghton Mifflin Company, 2003.
The Reptile Database
San Diego Natural History Museum
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