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

Cascabel de cola negra mexicana Crotalus molossus ssp. nigrescens

Observer

danieltapaya

Date

May 22, 2015

Place

(Somewhere...)

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

charro

Date

October 22, 2014

Place

(Somewhere...)

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

charro

Date

July 3, 2014

Place

(Somewhere...)

Photos / Sounds

No photos or sounds

What

Black-tailed Rattlesnake Crotalus molossus

Observer

texasblonde

Date

May 6, 2015 10:44 PM CDT

Photos / Sounds

What

Black-tailed Rattlesnake Crotalus molossus

Observer

gtsalmon

Date

June 10, 2008 09:35 AM CDT

Description

DOR adult male on Hwy 118. Found overnight (prior to time on image). Imaged only. GTS 604.

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

danjleavitt

Date

May 6, 2015 12:34 PM MDT

Photos / Sounds

What

Cascabel de cola negra mexicana Crotalus molossus ssp. nigrescens

Observer

catdark

Date

August 27, 2011

Place

(Somewhere...)

Photos / Sounds

Square

Observer

juancruzado

Date

July 29, 2014

Place

(Somewhere...)

Photos / Sounds

Square

What

Mexican black-tailed Rattlesnake Crotalus molossus ssp. nigrescens

Observer

juancruzado

Date

July 3, 2014

Place

(Somewhere...)

Photos / Sounds

Square

What

Black-tailed Rattlesnake Crotalus molossus

Observer

charro

Date

July 3, 2014

Place

(Somewhere...)

Photos / Sounds

What

Cascabel de cola negra oaxaqueña Crotalus molossus ssp. oaxacus

Observer

sorilet14

Date

February 20, 2015

Place

(Somewhere...)

Photos / Sounds

Square

What

Black Tailed Rattlesnake Crotalus molossus

Observer

hydaticus

Date

March 16, 2015
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.