Phoenix and its surrounding areas are home to various snake species, including the infamous Western Diamondback Rattlesnake and the Sonoran Coral Snake, both of which are venomous. As the city expands and encroaches on natural habitats, snake encounters become more frequent, especially during the warmer months when snakes are most active.

There are 13 species of rattlesnakes in Arizona, all of which are venomous. The 6 most common in metro Phoenix are the Western diamondback, Mojave, Black-tailed, Speckled, Tiger, and Sidewinder rattlesnakes.

Here's a more detailed list of the 13 species found in Arizona:

Western Diamondback Rattlesnake: The largest and most common in the state, responsible for the most bites and deaths in the US, according to Yahoo.
Mojave Rattlesnake: Known for its potent venom and ability to strike quickly, according to Desert Museum.
Black-tailed Rattlesnake: Found in various desert habitats, it has a moderate level of venom, as reported by Times of India.
Speckled Rattlesnake: Distinguished by its speckled or mottled pattern, it's also moderately venomous.
Tiger Rattlesnake: A highly venomous species, it's particularly dangerous, according to Arizona Snake Fence.
Sidewinder Rattlesnake: Known for its unique way of moving across sand, it's also a venomous rattlesnake.
Arizona Black Rattlesnake: Moderately venomous, with bites often occurring when people accidentally step on or touch them, according to Times of India.
Sonoran Coral Snake: A non-rattlesnake but still venomous, it's a coral snake related to the cobra.
Crotalus molossus: A subspecies of the rattlesnake.
Crotalus atrox: A subspecies of the rattlesnake.
Crotalus scutulatus: A subspecies of the rattlesnake.
Arizona Ridge-nosed Rattlesnake: A small species, rarely weighing more than 3-4 ounces as an adult, according to the Arizona State Lib

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