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 25, 2016

Place

(Somewhere...)

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Date

May 23, 2016

Place

(Somewhere...)

Description

2nd juvi in 2 days, same property.

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

donendicott

Date

May 21, 2016

Description

2016 PDT during Cabrillo National Monument Bioblitz. After hiking throughout the Monument and checking in with herp teams monitoring pitfall traps, this juvenile turned out to be the only rattlesnake sighted all day. It was discovered after dark on short flight of steps leading up from the parking lot.

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

steviekgold

Date

May 23, 2016 12:34 PM PDT

Description

Sent to me by a friend

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Date

May 22, 2016

Place

(Somewhere...)

Photos / Sounds

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

sidesplotch

Date

May 21, 2016 08:16 PM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

brhong

Date

May 21, 2016 08:21 PM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

reynazavala

Date

May 21, 2016 08:07 PM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

tomphilippi

Date

May 21, 2016 08:11 PM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

drewboy

Date

May 21, 2016 08:14 PM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Observer

upandadam

Date

May 20, 2016 03:22 PM PDT

Photos / Sounds

Square

What

Southern Pacific Rattlesnake Crotalus oreganus ssp. helleri

Date

May 19, 2016

Place

(Somewhere...)
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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