Snakes

Arizona Black Rattlesnake

Crotalus cerberus

Across the regions where it's common, the Arizona Black Rattlesnake peaks from May to September.

Shows up in 1 ecoregion and 1 state · venomous

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Snakes

Arizona Black Rattlesnake

Crotalus cerberus

venomous

Venomous. Do not handle. Give it room and let it move on. If you're bitten, call 911 or go to an emergency room. Don't cut, suck or ice the bite.

Look, don't take. Many states regulate collecting reptiles and amphibians. Photograph it, log it on iNaturalist and leave it where you found it.

Description

Crotalus cerberus is a venomous pit viper species found in the southwestern United States. According to Wright and Wright (1957), adults grow to an average length of 78–109 cm (31–43 in).Wikipedia ↗

Habitat

Found in the United States, in Arizona from the Hualapai Mountains and Cottonwood Cliffs in the northwest of the state, southeast to the Santa Catalina, Rincon, Pinaleno and Blue Mountains.Wikipedia ↗

Arizona Black Rattlesnake — no rights reserved · CC0

iNaturalist ↗

Harmless look-alikes

Gopher Snake, Pine Snake, Eastern Hognose Snake, Plains Hognose Snake, Mexican Hognose Snake, Prairie Kingsnake, Desert Nightsnake, Chihuahuan NightsnakeSuperficially, gopher snakes resemble many species of rattlesnakes and are often mistaken for them. Animal Diversity Web ↗Non-human predators are likely to be discouraged from attacking gopher snakes when they are mimicing rattlesnakes. Animal Diversity Web ↗Rattlesnakes vs. gopher snakes, bullsnakes and hognose snakes →

When and where it's active

Each row is its own calendar, counted from records in that area. Seasons shift by place.

PeakShoulderQuiet

Ecoregions

JanFebMarAprMayJunJulAugSepOctNovDec

Arizona and New Mexico Mountains

States

JanFebMarAprMayJunJulAugSepOctNovDec

Arizona

About the Arizona Black Rattlesnake

When is the Arizona Black Rattlesnake most active?

Across the regions where it's common, the Arizona Black Rattlesnake peaks from May to September.

Where does the Arizona Black Rattlesnake live?

It has enough records to show in 1 ecoregions and 1 states, including Arizona.

Is the Arizona Black Rattlesnake venomous?

Yes. The Arizona Black Rattlesnake is venomous. Don't handle it, and give it room.

What snakes get mistaken for the Arizona Black Rattlesnake?

Harmless lookalikes include the Gopher Snake, Pine Snake, and Eastern Hognose Snake.