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

What

Black-tailed Rattlesnake Crotalus molossus

Observer

jeff32

Date

July 29, 2016 10:36 PM MDT

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

macortes

Date

July 28, 2016 01:49 PM CDT

Place

(Somewhere...)

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

ziggykor

Date

July 27, 2016 10:41 AM COT

Description

A rattle snake observed on the grounds of Livermore Ranch. Photo Posted.

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

oklili

Date

June 28, 2016 08:44 AM CDT

Place

(Somewhere...)

Description

Crotalus ornatus

Photos / Sounds

What

Black-tailed Rattlesnake Crotalus molossus

Observer

danjleavitt

Date

July 26, 2016 02:14 PM MDT

Photos / Sounds

What

Black-tailed Rattlesnake Crotalus molossus

Observer

jpsincage

Date

July 27, 2016 11:34 AM MDT

Photos / Sounds

Square

What

Mexican black-tailed Rattlesnake Crotalus molossus ssp. nigrescens

Observer

aop79

Date

July 27, 2016 02:30 PM CDT

Place

(Somewhere...)

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

tom79848

Date

July 23, 2016 09:23 PM CDT

Photos / Sounds

Square

What

Northern Black-tailed Rattlesnake Crotalus molossus ssp. molossus

Observer

arturoc

Date

July 24, 2016 12:10 PM CDT

Place

(Somewhere...)

Photos / Sounds

Square

What

Mexican black-tailed Rattlesnake Crotalus molossus ssp. nigrescens

Observer

obaezm

Date

June 29, 2015 10:15 AM CDT

Place

(Somewhere...)

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

jcruzpictus

Date

August 28, 2009

Place

(Somewhere...)

Photos / Sounds

Square

What

San Esteban Island Rattlesnake Crotalus molossus ssp. estebanensis

Observer

rafas_lara

Date

September 10, 2005 05:58 PM HST

Place

(Somewhere...)
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.
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