Identify The Most Dangerous Snakes In Wyoming (With Images)

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Common snakes found in the state of Wyoming

Wyoming


Western Rattlesnake

Crotalus viridis

High Risk

Venomous

50–95 cm (20–37 in)

  • Arizona
  • Colorado
  • Idaho
  • Iowa
  • Kansas
  • Montana
  • Nebraska
  • New Mexico
  • North Dakota
  • Oklahoma
  • South Dakota
  • Texas
  • Wyoming


Racer

Coluber constrictor

Low Risk

Nonvenomous

50 -152 cm (20 -60 in)

  • All States except Alaska & Hawaii


Ringneck Snake

Diadophis punctatus

Zero Risk

Nonvenomous

25–38 cm (10–15 in)

  • All States except Alaska & Hawaii


Western Hognose Snake

Heterodon nasicus

Low Risk

Nonvenomous

40–50 cm (15–20 in)

  • All States except Alaska & Hawaii


Night Snake

Hypsiglena torquata

Low Risk

Venomous

30–66 cm (12–26  in)

  • Arizona
  • California
  • Colorado
  • Hawaii
  • Idaho
  • Montana
  • Nevada
  • New Mexico
  • Oregon
  • Utah
  • Washington
  • Wyoming


Gray-banded Kingsnake

Lampropeltis alterna

Low Risk

Nonvenomous

91 – 120 cm (3-4 ft)

  • Arkansas
  • Colorado
  • Louisiana
  • Montana
  • New Mexico
  • North Dakota
  • Oklahoma
  • South Dakota
  • Texas
  • Utah
  • Wyoming


Common Kingsnake

Lampropeltis getula

Low Risk

Nonvenomous

90– 122 cm (35–48 in)

  • Alabama
  • Arizona
  • Arkansas
  • California
  • Colorado
  • Delaware
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Maryland
  • Mississippi
  • Missouri
  • Nebraska
  • Nevada
  • NewJersey
  • NewMexico
  • NewYork
  • NorthCarolina
  • Ohio
  • Oklahoma
  • Oregon
  • SouthCarolina
  • Tennessee
  • Texas
  • Utah
  • Virginia
  • WestVirginia


Striped Whipsnake

Masticophis taeniatus

Low Risk

Nonvenomous

76–183 cm (30-72 in)

  • Alaska
  • Arizona
  • California
  • Colorado
  • Hawaii
  • Idaho
  • Montana
  • Nevada
  • New Mexico
  • Oregon
  • Utah
  • Washington
  • Wyoming


Northwestern Garter Snake

Thamnophis ordinoides

Low Risk

Nonvenomous

33–97cm (13–38 in)

  • California
  • Oregon


Smooth Green Snake

Opheodrys vernalis

Low Risk

Nonvenomous

36–51 cm (14–20 in)

  • Colorado
  • Illinois
  • Illinois
  • Indiana
  • Iowa
  • Kentucky
  • Michigan
  • Minnesota
  • Missouri
  • New Mexico
  • Ohio
  • Texas
  • Virginia
  • West Virginia
  • Wisconsin
  • Wyoming


Gopher Snake

Pituophis catenifer

Low Risk

Nonvenomous

91–213 cm (36-84 in)

  • Arizona
  • California
  • Idaho
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Missouri
  • Montana
  • Nebraska
  • Nevada
  • New Mexico
  • North Dakota
  • Ohio
  • Oklahoma
  • Oregon
  • South Dakota
  • Texas
  • Utah
  • Washington
  • Wisconsin
  • Wyoming


Redbelly Snake

Storeria occipitomaculata

Low Risk

Nonvenomous

4–10 cm (10–25 in)

  • All States except Alaska & Hawaii


Western Terrestrial Garter Snake

Thamnophis elegans

Low Risk

Nonvenomous

46–104 cm (18–41 in)

  • Arizona
  • California
  • Colorado
  • Idaho
  • Kansas
  • Montana
  • Nebraska
  • Nevada
  • New Mexico
  • Oklahoma
  • Oregon
  • Utah
  • Washington
  • Wyoming


Western Ribbon Snake

Thamnophis proximus

Low Risk

Nonvenomous

43–127 cm (17–50 in)

  • Arizona
  • California
  • Colorado
  • Idaho
  • Montana
  • Nevada
  • New Mexico
  • Oregon
  • Utah
  • Washington
  • Wyoming


Common Garter Snake

Thamnophis sirtalis

Low Risk

Nonvenomous

55–137 cm (22–54 in)

  • All States except Alaska & Hawaii

Rubber Boa

Rubber Boa

Charina bottae

Low Risk

Nonvenomous 

38 -84 cm (1.25 – 2.76 ft)

  • California
  • Idaho
  • Montana
  • Nevada
  • Oregon
  • Utah
  • Washington
  • Wyoming

For a full list of every venomous and nonvenomous snake found in the USA, check out my full article: Identity 130+ Snake Species From The USA (With Images)