Classification
Within iNaturalist.org

All Names

  • Scientific names
    • Crotalus oreganus
    • Crotalus oreganus oreganus
    • Crotalus oregonus
    • Crotalus viridis
    • Crotalus viridis caliginis
    • Crotalus viridis cerberus
    • Crotalus viridis concolor
    • Crotalus viridis decolor
    • Crotalus viridis helleri
    • Crotalus viridis lutosus
    • Crotalus viridis oreganus
  • English
    • Western Rattlesnake
  • German
    • Hopi-Klapperschlange
    • Oregon-Klapperschlange

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Recent observations

Photos

8724348179_a003921798_s

What

Northern Pacific Rattlesnake Crotalus oreganus ssp. oreganus

Observer

james3

Date

May 9, 2013

Place

Santa Clara Co. CA (Google, OSM)

Photos

Square 2 photos

What

Northern Pacific Rattlesnake Crotalus oreganus ssp. oreganus

Observer

vtraveler

Date

May 9, 2013 10:30 AM PDT

Place

White Hill Fire Road (Google, OSM)

Photos

8719988544_19e832c20a_s 4 photos

What

Northern Pacific Rattlesnake Crotalus oreganus ssp. oreganus

Observer

tajiahkura

Date

May 5, 2013

Place

mount diablo state park (Google, OSM)

Photos

Square

What

Crotalus viridis helleri

Observer

snakeinmypocket

Date

Mar 23, 2010

Place

pine hills road, julian ca (Google, OSM)

Photos

Img_9318

What

Crotalus oregonus

Observer

justin2

Date

May 4, 2013 04:53 PM PDT

Place

Eldorado National Forest, CA, US (Google, OSM)

Description

Baby rattlesnake at Phantom Spires

Photos

8713113470_81e11a6f59_s

What

Northern Pacific Rattlesnake Crotalus oreganus ssp. oreganus

Observer

tiwane

Date

May 5, 2013

Place

Mt. Diablo State Park (Google, OSM)

Photos

Square

What

Northern Pacific Rattlesnake Crotalus oreganus ssp. oreganus

Observer

faerthen

Date

May 3, 2013

Place

Yosemite Valley (Google, OSM)

Photos

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

jonathanwitkop

Date

May 3, 2013

Place

Gabrieleno Trail Pasadena (Google, OSM)

Photos

Square 3 photos

What

Northern Pacific Rattlesnake Crotalus oreganus ssp. oreganus

Observer

dave-barry

Date

Apr 27, 2013

Place

The "Cedars" (Google, OSM)

Photos

Square

What

Northern Pacific Rattlesnake Crotalus oreganus ssp. oreganus

Observer

tiwane

Date

Apr 27, 2013 12:11 PM PDT

Place

37.5387..., -122.37... (Google, OSM)

Description

Another walker found it right next to the Sawyer Camp Trail. It was nice to see such a beautiful snake next to all the lululemon-clad "hikers"!

Photos

Square 4 photos

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

nhmordenana

Date

Apr 27, 2013 11:50 AM PDT

Place

Santa Monica Mountains Nat Rec Area Vis CTR, Agoura Hills, California, US (Google, OSM)

Photos

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

nhmordenana

Date

Apr 27, 2013 11:50 AM PDT

Place

Santa Monica Mountains Nat Rec Area Vis CTR, Agoura Hills, California, US (Google, OSM)
View all observations

Description from Wikipedia

Crotalus oreganus is a venomous pitviper species found in North America in the western United States, parts of British Columbia and northwestern Mexico. Seven subspecies are currently recognized, including the nominate subspecies described here.

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Conservation Summary

Source: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. http://www.iucnredlist.org/technical-documents/spatial-data. Downloaded March 2011.