for Crotalus oreganus (Western Rattlesnake)

Reports from BC Conservation Data Centre

BC Species Summary


BC Conservation Status Report

View Map View

Mapped Known Locations

Reports from National / International Databases

E-Fauna BC: Electronic Atlas of the Wildlife of British Columbia


Environment Canada's Species at Risk Website


Global Comprehensive Report (NatureServe Explorer)

Species at Risk Brochure

Blood, D.A. 1993. Western Rattlesnake. B.C. Minist. Environ., Lands and Parks, Wildl. Branch. 6pp.

Status Report

Charland, M.B., K.J. Nelson, and P.T. Gregory. 1993. Status of the Northern Pacific Rattlesnake in British Columbia. B.C. Minist. Environ., Lands and Parks, Wildl. Branch. Working Rep. WR-54. 23pp.


COSEWIC. 2004. COSEWIC assessment and status report on the western rattlesnake Crotalus oreganus in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. vi + 26 pp.


COSEWIC. 2015b. COSEWIC assessment and status report on the Western Rattlesnake Crotalus oreganus in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. xi + 44 pp.

Identified Wildlife Species Account

British Columbia Ministry of Water, Land and Air Protection. 2004. Accounts and Measures for Managing Identified Wildlife. Version 2004. Biodiversity Branch, Identified Wildlife Management Strategy, Victoria, B.C.

Recovery and Management Plans

B.C. Ministry of Environment. Recovery Planning in BC. B.C. Minist. Environ. Victoria, BC. Available:


Southern Interior Reptile and Amphibian Recovery Team. 2008. Recovery strategy for the Western Rattlesnake (Crotalus oreganus) in British Columbia. Prepared for the B.C. Ministry of Environment, Victoria, BC. 21 pp.

Best Management Practices

Ovaska, K, S. Lennart, C Engelstoft, L. Matthias, E. Wind and J. MacGarvie. 2004. Best Management Practices for Amphibians and Reptiles in Urban and Rural Environments in British Columbia. Ministry of Water Land and Air Protection, Ecosystems Standards and Planning, Biodiversity Branch

Conservation Framework

Conservation Framework Website


Conservation Framework Report

Other Related References

Brown, J.R. 2006. Management of rattlesnake-human interaction: the effects of short distance translocation on Crotalus o.oreganus, 65pp. University of Guelph.


Charland, M.B. 1989. Size and winter survivorship in neonatal western rattlesnakes (Crotalus viridis). Can. J. Zool. 67: 1620-1625.


Crother, B. I., J. Boundy, J. A. Campbell, K. de Queiroz, D. R. Frost, R. Highton, J. B. Iverson, P. A. Meylan, T. W. Reeder, M. E. Seidel, J. W. Sites, Jr., T. W. Taggart, S. G. Tilley, and D. B. Wake. 2000. Scientific and standard English names of amphibians and reptiles of North America north of Mexico, with comments regarding confidence in our understanding. Society for the Study of Amphibians and Reptiles, Herpetological Circular No. 29. 82 pp.


Gomez, L.M. 2007. Habitat use and movement patterns of the Northern Pacific Rattlesnake (Crotalus o. oreganus) in British Columbia. Masters Thesis, University of Victoria.


Gregory, P.T., and R.W. Campbell. 1984. The Reptiles of British Columbia. Royal B.C. Mus. Handb. 102pp.


Macartney, J.M. 1985. The ecology of the northern Pacific rattlesnake, Crotalus viridis oreganus, in British Columbia. MSc. thesis, Univ. of Victoria, Victoria. xvi + 289pp.


Orchard, S.A. 1988. Species Notes for Reptiles. Vol. 3 in A.P. Harcombe, tech. ed. 1988. B.C. Minist. Environ., Lands and Parks, Wildl. Branch. 44pp.


The Reptiles of British Columbia: Northern Pacific Rattle Snake, Crotalus oreganus oreganus. 2004. Univ. Coll. of the Cariboo, and B.C. Minist. Water, Land and Air Prot. Online. Available:


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