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

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What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

caminogirl

Date

August 22, 2016 05:30 PM PDT

Description

Out in the open, curled up next to the trail (no body there). Warm overcast day.

Photos / Sounds

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What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

chood

Date

August 25, 2016

Description

One observer claimed he saw 15 "buttons" on the rattle; in my photo only 9 visible and 15 seems an implausible number.

Under concrete / stones by the Tennessee Warbler stakeout in Hahamongna Park.

Also reported present on 26 August 16.

Photos / Sounds

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What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

redabbott

Date

August 25, 2016 11:24 AM PDT

Photos / Sounds

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What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Date

August 24, 2016 08:25 PM PDT

Photos / Sounds

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What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Date

August 23, 2016 08:12 PM PDT

Photos / Sounds

No photos or sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

lopez402

Date

the past

Place

(Somewhere...)

Photos / Sounds

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What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

zachbehrens

Date

August 21, 2016 05:46 PM PDT

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

glmory

Date

August 20, 2016 08:44 AM PDT

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

sarahwenner

Date

August 19, 2016 05:59 PM PDT

Description

Dead on road

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

milliebasden

Date

August 19, 2016 10:32 AM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

dcoopercem

Date

May 12, 2011 11:36 AM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

sidesplotch

Date

August 18, 2016 10:58 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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