Snake myths, practical clues, and safer decisions.

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Published snake guide

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177 published

Desert Kingsnake

Lampropeltis splendida

No medically significant venom known

The Desert Kingsnake (Lampropeltis splendida) is a nonvenomous colubrid native to the southwestern United States and northern Mexico. It is a constrictor that primarily feeds on other reptiles, rodents, and eggs, often consuming other snakes. Typically terrestrial and secretive, it is associated with semi-arid scrub, grassland, rocky areas, and riparian corridors. While not dangerous to humans, do not attempt to handle or capture wild snakes; contact local wildlife professionals if removal is needed.

Desert Nightsnake

Hypsiglena chlorophaea

Potentially venomous

Hypsiglena chlorophaea (Desert Nightsnake) is a small, primarily nocturnal colubrid found in arid and semi-arid regions of the southwestern United States, Mexico, and southern California/Baja areas. It is secretive, often active at night or after rain, and feeds mainly on small vertebrates and their eggs. It produces a mild rear-fanged venom used to subdue small prey; bites to humans are uncommon and not considered medically significant, but any bite should be cleaned and monitored. Avoid handling or provoking these snakes.

Diamond-backed Watersnake

Nerodia rhombifer

No medically significant venom known

Nerodia rhombifer is a nonvenomous, heavy-bodied water snake commonly called the Diamond-backed Watersnake. Found in freshwater and brackish habitats, it feeds primarily on fish and amphibians and is often encountered basking or swimming near shorelines. It may flatten and strike when threatened and commonly releases musk and feces as a defense. Not dangerous to humans but should not be handled; can be mistaken for venomous water-associated snakes.