Crotalus viridis occurs over much of the Great Plains in North America, from southwestern Canada through the United States to northern Mexico. There are two subspecies; all images on this are of C. v. viridis.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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