Classification
Within iNaturalist.org

All Names

  • English
    • Blacktail Rattlesnake
    • Black-tailed Rattlesnake
    • Black Tailed Rattlesnake
  • German
    • Schwarzschwanz-Klapperschlange
  • Scientific Names
    • Crotalus molossus
    • Crotalus ornatus
  • Seri
    • cocázni
    • sayahuqui
  • Tarahumara
    • sayahuki
  • Spanish
    • Cascabel de cola negra

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Recent observations

Photos / Sounds

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What

Black-tailed Rattlesnake Crotalus molossus

Observer

lukem

Date

July 11, 2014 06:31 PM MDT

Photos / Sounds

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What

Black-tailed Rattlesnake Crotalus molossus

Observer

lukem

Date

July 16, 2014 03:09 PM MDT

Photos / Sounds

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What

Black-tailed Rattlesnake Crotalus molossus

Observer

gtsalmon

Date

September 1, 2013 11:23 PM CDT

Description

AOR on Hwy 90. With Gary Heyroth. Not collected.

Photos / Sounds

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What

Black-tailed Rattlesnake Crotalus molossus

Observer

gtsalmon

Date

August 30, 2013 11:14 PM CDT

Description

Young adult female observed walking off roadside (Hwy 277).

Photos / Sounds

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What

Black-tailed Rattlesnake Crotalus molossus

Observer

gtsalmon

Date

July 27, 2013 03:21 AM CDT

Description

DOR on Hwy 90. Retained as specimen for TNHC.

Photos / Sounds

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Observer

manuelnevarez

Date

June 16, 2014

Place

(Somewhere...)

Photos / Sounds

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What

Black-tailed Rattlesnake Crotalus molossus

Observer

hydaticus

Date

July 6, 2014

Photos / Sounds

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What

Black-tailed Rattlesnake Crotalus molossus

Observer

gtsalmon

Date

May 25, 2013 10:25 PM CDT

Description

DOR on Hwy 290. GTS 1584.

Photos / Sounds

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What

Northern Black-tailed Rattlesnake Crotalus molossus ssp. molossus

Observer

chris_mcmartin

Date

June 25, 2014 09:36 PM CDT

Description

"Method: DOR; Elevation (ft): 1928; Moon: Waning Crescent; Salvaged under TPWD permit and deposited with UT-Austin Texas Natural History Collections."

Photos / Sounds

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What

Black-tailed Rattlesnake Crotalus molossus

Observer

chris_mcmartin

Date

June 22, 2014 10:30 PM CDT

Description

"Method: Visual encounter; Juvenile; Elevation (ft): 2712; Moon: Waning Crescent; Sky: Clear; Cool (70s) and windy.; Other Observers: Michael Price, Shaye Price, Nolan Price"

Photos / Sounds

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What

Black-tailed Rattlesnake Crotalus molossus

Observer

travisdimler

Date

June 28, 2014 02:44 AM CDT

Photos / Sounds

What

Black-tailed Rattlesnake Crotalus molossus

Observer

jeff32

Date

June 29, 2014 10:45 PM CDT

Description

Live on road 78 degrees

View all observations

Description from Wikipedia

Crotalus molossus is a venomous pit viper species found in the southwestern United States and Mexico. Four subspecies are currently recognized, including the nominate subspecies described here.

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Conservation Summary

Source: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. http://www.iucnredlist.org/technical-documents/spatial-data. Downloaded March 2011.