Photo credit:

Rob Schell

Common name

Isla San Esteban Rattlesnake

Scientific name

Crotalus estebanensis

Conservation Status

Least Concern

Federal and State Protections

N/A

Countries of Occurrence

Mexico

States or Providence 

Sonora

Counties

Hermosillo Municipality

Adult size

35in (98cm)

Species Description

This medium-sized rattlesnake is unique to Isla San Esteban in the Gulf of California. It was previously considered a subspecies of the Black-tailed Rattlesnake (Crotalus molossus) but was elevated to full species status in 1999.
It thrives in xeric thornscrub and rocky hillsides on the island.

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Jacksonville, FL |  savethebuzztails@hotmail.com  |  1-800-690-5638

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