Identify The Most Dangerous Snakes In Utah (With Images)

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Common snakes found in the state of Utah

Utah


Western Diamondback Rattlesnake

Crotalus atrox

High Risk

Venomous

120 cm (4 ft)

  • Arizona
  • Arkansas
  • Kansas
  • Nevada
  • New Mexico
  • Oklahoma
  • Texas
  • Utah


Sidewinder

Crotalus cerastes

High Risk

Venomous

50–80 cm (19.5–31.5 in)

  • Arizona
  • California
  • Nevada
  • Utah


Speckled Rattlesnake

Crotalus mitchellii

High Risk

Venomous

90 – 100 cm (35 -39 in)

  • Arizona
  • California
  • Nevada
  • Utah


Mojave Rattlesnake

Crotalus scutulatus

High Risk

Venomous

 100-137 cm (39-54 in)

  • Arizona
  • California
  • Nevada
  • New Mexico
  • Texas
  • Utah

Glossy Snake

Arizona elegans

Zero Risk

Nonvenomous 

 75–130 cm (30-50 in) 

  • Arizona
  • California
  • Colorado
  • Kansas
  • Nevada
  • New Mexico
  • Oklahoma
  • Texas
  • Utah


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


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


Longnose Snake

Rhinocheilus lecontei

Low Risk

Nonvenomous

56–81 cm (22–32 in)

  • Arizona
  • California
  • Colorado
  • Idaho
  • Kansas
  • Nevada
  • New Mexico
  • Oklahoma
  • Texas
  • Utah


Ground Snake

Sonora semiannulata

Low Risk

Nonvenomous

20–48 cm (8–19 in)

  • Arizona
  • Nevada
  • California
  • Colorado
  • Kansas
  • Missouri
  • New Mexico
  • Oklahoma
  • Oregon
  • Texas
  • Utah


Redbelly Snake

Storeria occipitomaculata

Low Risk

Nonvenomous

4–10 cm (10–25 in)

  • All States except Alaska & Hawaii


Southwestern Blackhead Snake

Tantilla hobartsmithi

Low Risk

Nonvenomous

20–38 cm (8–15 in)

  • Arizona
  • California
  • Colorado
  • Nevada
  • New Mexico
  • Texas
  • Utah


Black neck Garter Snake

Thamnophis cyrtopsis

Low Risk

Nonvenomous

107 cm (42 in)

  • Arizona
  • California
  • Nevada
  • New Mexico
  • Utah


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


Checkered Garter Snake

Thamnophis marcianus

Low Risk

Nonvenomous

46–61 cm (8–24 in)

  • Arizona
  • California
  • Colorado
  • Nevada
  • New Mexico
  • Oklahoma
  • Texas
  • Utah


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


Lyre Snake

Trimorphodon biscutatus

Low Risk

Nonvenomous

61–91 cm (24–36 in)

  • Nevada
  • Utah

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


Western Blind Snake

Leptotyphlops humilis

Zero risk

nonvenomous 

30 cm (12 in)

  • Arizona
  • California
  • Colorado
  • Nevada
  • New Mexico
  • Oklahoma
  • Texas
  • Utah

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)