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

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

asemerdj

Date

November 17, 2014 01:12 PM PST

Photos / Sounds

Square

What

Southern Pacific rattlesnake Crotalus oreganus ssp. helleri

Observer

dgreenberger

Date

November 8, 2014 07:44 PM PST

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

clare_mk

Date

April 14, 2014 01:20 PM PDT

Description

Southern Pacific Rattlesnake on trail, by stream, in shade.

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Date

October 14, 2014

Place

(Somewhere...)

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

gordonshumway

Date

October 7, 2014

Description

I was riding along a heavy traffic trail at the bottom of the park and saw this juvenile SPR in the middle of the trail. I moved it along off the trail so it wouldn't get stepped on, run over, or picked up by a kid. Beautiful little thing!

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Date

September 30, 2014

Place

(Somewhere...)

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Date

September 29, 2014

Place

(Somewhere...)

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Date

September 29, 2014

Place

(Somewhere...)

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

glhans

Date

September 25, 2014 07:09 PM PDT

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

cathybell

Date

September 20, 2014 11:14 AM MDT

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

asemerdj

Date

September 20, 2014 11:16 AM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Date

September 19, 2014
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.