Classification
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All Names

  • English
    • Southern Pacific Rattlesnake
  • Scientific Names
    • Crotalus oreganus helleri
    • Crotalus helleri
    • Crotalus viridis helleri

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Recent observations

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

dmariana

Date

January 16, 2017 05:03 PM PST

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

ericcleveland

Date

August 6, 2004 02:37 PM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

ericcleveland

Date

January 1, 1980 12:01 AM PST

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

spencerorloff

Date

August 29, 2016 05:10 PM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

spencerorloff

Date

January 11, 2017 07:43 AM PST

Description

Was found on 1/8/17 sleeping under some wood in between rains. 71 degrees and sunny. #3 this year

Photos / Sounds

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What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

snakeinmypocket

Date

March 15, 2007 10:32 AM PDT

Photos / Sounds

No photos or sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

joshuagsmith

Date

August 5, 2013 10:00 AM MST

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

ryan32

Date

June 5, 2016 02:45 PM PDT

Description

Dead neonate so pac found in drainage canal. Signs of trauma to the mouth.

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

snakeinmypocket

Date

September 20, 2016 03:37 PM PDT

Description

rescued from grading, relocated a few feet to safety

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

snakeinmypocket

Date

September 20, 2016 12:52 PM PDT

Description

rescued from grading, relocated a few feet to safety

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

snakeinmypocket

Date

September 15, 2016 10:11 AM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

snakeinmypocket

Date

October 11, 2016 10:07 AM PDT
View all observations

Description from Wikipedia

Crotalus oreganus helleri is a venomous pitviper subspecies found in southwestern California and south into Baja California, Mexico.

No range data available.
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