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

ryan4kerr4

Date

November 20, 2016 01:48 PM PST

Description

Baby rattlesnake. Enhanced the pic a little because it was hard to see

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

sulavanderplank

Date

June 9, 2016 09:53 AM PDT

Description

Courtesy of mountain biker Jeff Campagana

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

ollerton

Date

September 3, 2014 07:26 AM PDT

Description

Deceased

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

cedric_lee

Date

November 12, 2016 12:43 PM PST

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

cdegroof

Date

November 12, 2016 11:46 AM PST

Description

Unseasonably warm day, around 80 degrees.

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

scutdude

Date

May 3, 1994

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Date

June 13, 2016 11:55 AM PDT

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

spheller

Date

October 29, 2016 12:03 PM PDT

Description

About 14" long, in the underbrush beside the trail. I debated between Western and Southern Pacific (as its tail tip was yellow). This is obviously a young snake.

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

thumbsonthefeet

Date

October 29, 2016 11:52 PM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

marian0808

Date

October 25, 2016 08:47 PM PDT

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

tiyumq

Date

October 23, 2016 12:59 AM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

cdegroof

Date

October 21, 2016 06:56 PM 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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