1. Mojave Rattlesnake (Crotalus scutulatus): This venomous snake is found in the Mojave Desert, including parts of southern Utah. It has a triangular head, diamond-shaped body markings, and a tail with black and white bands. Mojave rattlesnakes are known for their potent venom, so it's essential to exercise caution when in their habitat.
2. Western Diamondback Rattlesnake (Crotalus atrox): Similar to the Mojave rattlesnake, the Western diamondback is another venomous species that can be found in southern Utah. It has a thick, heavy body with diamond-shaped markings. Like the Mojave rattlesnake, it's important to maintain a safe distance from these snakes due to their dangerous venom.
3. Great Basin Gophersnake (Pituophis catenifer deserticola): Non-venomous, this large snake is found in a variety of habitats, including deserts, grasslands, and woodlands in southern Utah. Great Basin gophersnakes have a blotchy pattern with dark brown or black markings on a light background. They are excellent climbers and often make their homes underground.
4. Common Kingsnake (Lampropeltis getula californiae): Another non-venomous species, the Common kingsnake is found in various habitats throughout southern Utah. They are large, black, or brown snakes with white or yellow bands around the tail and occasionally on the body. Kingsnakes are known to prey on smaller snakes and rodents.
5. Desert Nightsnake (Hypsiglena chlorophaea): A small, non-venomous snake found in desert environments in southern Utah. Desert nightsnakes have large eyes, a pale brown or gray body, and a dark stripe that runs through the center of the head. They are active at night and primarily feed on lizards and small mammals.
6. Utah Milk Snake (Lampropeltis triangulum taylori): Non-venomous, this snake is found in various habitats, including deserts, grasslands, and woodlands, throughout southern Utah. Utah milk snakes have a black or brown body with red, orange, or yellow blotches. They are known to mimic the coloration of venomous coral snakes as a defense mechanism.
7. Ringneck Snake (Diadophis punctatus): A small, non-venomous snake that can be found in both moist and dry environments in southern Utah. Ringneck snakes are typically black, gray, or brown in color with a yellow or orange ring around the neck. They primarily feed on earthworms and small amphibians.
It's important to note that while these snakes are commonly found in southern Utah, their presence can vary depending on habitat type, elevation, and specific location. If you encounter a snake, it's best to maintain a safe distance and avoid disturbing or harassing them.