Photo credit:

Dick Bartlett

Common name

Grand Canyon Rattlesnake

Scientific name

Crotalus oreganus abyssus

Conservation Status

Least Concern

Federal and State Protections

Protected Federally by proxy of living entirely on a national park

Countries of Occurrence


Adult size

16in (41cm) - 54in (147cm)

States or Providence 




Species Description

This subspecies is unique to the Grand Canyon on either side of the Colorado River in Northwestern Arizona. They primarily use riparian ecosystems in the canyon floor, but can also be found in talus (exposed rocky slopes) and mesquite-scrubland.
Grand Canyon Rattlesnakes are generalist predators, taking any available prey (usually rodents and lizards).

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