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

Date

May 3, 2016

Place

(Somewhere...)

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

tiwane

Date

April 30, 2016 05:45 PM PDT

Place

(Somewhere...)

Description

Incredible colors and pattern on this juvenile.

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

jacksongallant

Date

May 3, 2016 08:16 PM PDT

Place

(Somewhere...)

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

cooter

Date

May 3, 2016 08:09 AM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

kaysantiago4

Date

May 2, 2016 12:02 PM PDT

Description

In Monrovia Canyon Park Trail.

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

ziye

Date

April 11, 2016

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

ray_l14

Date

April 5, 2016 02:55 PM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

ray_l14

Date

April 5, 2016 02:55 PM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

fengding

Date

the past

Description

rattle snake

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

dkaposi

Date

April 26, 2016 07:55 PM EDT

Description

Just off the road between the Blinderman Trail and the Chaparral Trail. Weather was cool, high 60s and one of the park staff said I would be unlikely to see one in those conditions. An hour later, I saw this one less than 30 feet from where we had that conversation.

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

rachaelapahl

Date

April 25, 2016 01:33 PM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

rachaelapahl

Date

April 22, 2016
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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