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

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

sabra2

Date

July 22, 2015

Description

Resting on road. After photos, it coiled and then moved off road.

Photos / Sounds

What

Black-tailed Rattlesnake Crotalus molossus

Observer

troyhibbitts

Date

July 30, 2015 09:20 PM MDT

Description

Rochound State Park

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

troyhibbitts

Date

July 27, 2015 09:58 AM MDT

Description

Bass Canyon, Muleshoe Ranch

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

gtsalmon

Date

July 3, 2009 11:47 PM CDT

Description

Adult DOR on Hwy 90 ~ 18 miles E of Hwy 385. GTS 792. SRSU 6008 (Herpetology collection at Sul Ross State University, Alpine, Texas).

Tags

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

troyhibbitts

Date

July 27, 2015 06:57 AM MDT

Description

West of Willcox on Airport Rd

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

taniajogesh

Date

July 18, 2015 09:36 AM MDT

Photos / Sounds

What

Black-tailed Rattlesnake Crotalus molossus

Observer

connorj

Date

July 25, 2015 09:14 PM CDT

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

logan

Date

July 25, 2015 02:22 AM CDT

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

tom79848

Date

July 14, 2015 10:30 PM CDT

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

russellm08

Date

July 2, 2015 10:58 AM CDT

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

logan

Date

July 10, 2015 10:17 PM CDT

Photos / Sounds

15112996679 a1204af3ea s

What

Black-tailed Rattlesnake Crotalus molossus

Observer

rjadams55

Date

July 11, 2014
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

  • Mexico
    Sujeta a protección especial (Pr) (Source: Norma Oficial 059)
Source: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. http://www.iucnredlist.org/technical-documents/spatial-data. Downloaded March 2011.