California
Snakes in Mono County
22 species have been documented here, 5 of them venomous.
Venomous snakes in Mono County
Full guide & what to do if bitten →
Western RattlesnakeCrotalus oreganusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Panamint RattlesnakeCrotalus stephensiVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
SidewinderCrotalus cerastesVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Speckled RattlesnakeCrotalus mitchelliiVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Mono County
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Northern Rubber Boa
Charina bottae
Harmless
Western Rattlesnake
Crotalus oreganus
Venomous
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Striped Whipsnake
Masticophis taeniatus
Harmless
Panamint Rattlesnake
Crotalus stephensi
Venomous
Sidewinder
Crotalus cerastes
Venomous
Sierra Garter Snake
Thamnophis couchii
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Western Patch-nosed Snake
Salvadora hexalepis
Harmless
Desert Nightsnake
Hypsiglena chlorophaea
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
North American Racer
Coluber constrictor
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Western Threadsnake
Rena humilis
Harmless
California King Snake
Lampropeltis californiae
Harmless
Sinaloan Nightsnake
Hypsiglena torquata
Harmless
Speckled Rattlesnake
Crotalus mitchellii
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.