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Crotalus caliginis
The Crotalus caliginis is classified as Least Concern. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category.
^ Crotalus caliginis at the IUCN Red List. Accessed 13 September 2007. 6. ^ 2001 Categories & Criteria (version 3.1) at the IUCN Red List. Accessed 13 September 2007. More