CaliforniaHerps.com

A Guide to the Amphibians
and Reptiles of California





Nightsnakes found in California

 










observation link

 


Not Dangerous
(Non-poisonous) 
NIghtsnakes do not have venom that is dangerous to most humans.

This small nocturnal snake is typically found on roads at night, or while hiding underneath surface
objects during daytime. It can be found in many habitats; deserts, grasslands, mountains, chaparral,
sagebrush. Two species are present in California, with one containing two subspecies.
Check the map to determine which one occurs in your area.

California Nightsnake San Diego Nightsnake
California Nightsnake San Diego Nightsnake Northern Desert Nightsnake
California Nightsnake
Hypsiglena ochrorhyncha nuchalata
San Diego Nightsnake
Hypsiglena ochrorhyncha klauberi
Desert Nightsnake     
Hypsiglena chlorophaea deserticola
     
 
It may be possibe to differentiate the species of Hypsiglena ochrorhyncha by noticing if the dark stripe behind the eye contacts the dark collar, although there appear to be some snakes that don't follow the rule.
Click the image to see an illustration.
 
Range

Purple : Hypsiglena torquata nuchalata -  
California Nightsnake


Red: Hypsiglena torquata deserticola -
Desert Nightsnake


Orange: Hypsiglena ochrorhyncha klauberi -
San Diego Nightsnake

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