Classification
Within iNaturalist.org

All Names

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

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Extras

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Recent observations

Photos / Sounds

What

Black-tailed Rattlesnake Crotalus molossus

Observer

rheilbrun

Date

April 18, 2014 05:12 PM CDT

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

kucycads

Date

April 11, 2014

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

croelke

Date

April 12, 2014 09:39 PM CDT

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

ctravis

Date

June 29, 2013

Description

Curled on road cut at about 11pm, right before a rain storm.

Photos / Sounds

Square

What

Mexican blacktail rattlesnake Crotalus molossus ssp. nigrescens

Observer

ptexis

Date

July 16, 1983

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

ptexis

Date

July 14, 1977

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

ptexis

Date

July 14, 1977

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

ptexis

Date

August 8, 1986

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

kevinallen

Date

March 13, 2014 03:12 PM MDT

Photos / Sounds

Square

What

Northern Black-tailed Rattlesnake Crotalus molossus ssp. molossus

Observer

ryan3

Date

July 23, 2009

Photos / Sounds

Observer

ptexis

Date

June 15, 1981

Photos / Sounds

What

Northern Black-tailed Rattlesnake Crotalus molossus ssp. molossus

Observer

ptexis

Date

September 15, 1986
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.