Crotalus oreganus

Crotalus oreganus
	In a defensive posture
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
Binomial name
	Crotalus oreganus; Holbrook, 1840
Synonyms
	List Crotalus oreganus Holbrook, 1840 ; Crotalus oregonus [sic] ; – Holbrook, 1842 ; Crotalus lucifer ; Baird & Girard, 1852 ; C[rotalus]. adamanteus var. lucifer – Jan, 1863 ; C[audisona]. lucifer – Cope, 1867 ; Crotalus hallowelli Cooper In Cronise, 1868 ; Crotalus confluentus var. lucifer ; – Cope, 1883 ; [Crotalus oreganus] Var. lucifer ; – Garman, 1884 ; Crotalus confluentus lucifer ; – Cope, 1892 ; Crotalus oreganus ; – Van Denburgh, 1898 ; Crotalus oreganus niger ; Kallert, 1927 (Nomen nudum) ; Crotalus confluentus oreganus ; – Amaral, 1929 ; Crotalus viridis oreganus ; – Klauber, 1936 ; Crotalus oreganus oreganus ; – Ashton & de Queiroz, 2001 ;

Crotalus oreganus, commonly known as the Western rattlesnake or northern Pacific rattlesnake, is a venomous pit viper species found in western North America from the Baja California Peninsula to the southern interior of British Columbia.

Scientific Classification