Crotalus oreganus caliginis

Crotalus oreganus caliginis is a venomous pit viper subspecies^[4] endemic to South Coronado Island, Mexico.

Crotalus oreganus caliginis
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Genus:	Crotalus
Species:	C. oreganus
Subspecies:	C. o. caliginis
Trinomial name
Crotalus oreganus caliginis Klauber, 1949
Location of South Coronado Island
Synonyms
Crotalus viridis caliginis Klauber, 1949[1] Crotalus oreganus caliginis – Ashton & de Queiroz, 2001[2]

Common names: Coronado Island rattlesnake.^[3]

Description

Adults grow to a maximum size of 68.3 cm (26+7⁄8 in).^[3]

Geographic range

Known only from the type locality,^[3] given as "South Coronado Island, off the northwest coast of Baja California, Mexico."^[1]

Conservation status

This species is classified as least concern on the IUCN Red List of Threatened Species (v3.1, 2001).^[5] Species are listed as such due to their wide distribution, presumed large population, or because it is unlikely to be declining fast enough to qualify for listing in a more threatened category. The population trend was stable when assessed in 2007.^[6]