Identity 130+ Snake Species From The USA (With Images)

  • Written By: Phil Hawes
  • Time to read: 4 min.

I’ve spent quite a bit of time putting together a list of common snakes that Americans will find in their backyards and on their property. the aim of this page is to help you identify a snake and evaluate the risk to you and your family. the images I’ve collected are correct to the best of my ability and you should be able to tell which type of snake you have encountered.

Whenever you come across a snake, my best advice would be to leave it alone and call pest control to remove it.

View snakes by US state

Table of Contents


Vipers

Vipers are a type of snake found in the USA. They are characterized by their long, slender bodies and triangular heads. They are typically yellow or brown in color and have a v-shaped mark on their head. Vipers are known for their lethal venom, which they use to kill their prey.

However, they are not aggressive snakes, and they will only bite if they feel threatened. Also, vipers can bite without injecting venom, which is a precious resource to them, and these dry bites are common in human encounters.

If you see a viper, it is important to stay calm and avoid provoking the snake. If you are bitten by a viper, it is important to seek medical help immediately as venom may have been injected. There are antivenoms available that can save your life.

When you discover a viper variety of snake on your property, it’s advisable to contact your local pest control service. Feel free to find one by clicking below.

Copperhead

Agkistrodon contortrix

High Risk

Venomous

50–95 cm (20–37 in)

  • Alabama
  • Arkansas
  • Connecticut
  • Delaware
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Maryland
  • Massachusetts
  • Mississippi
  • Missouri
  • Nebraska
  • New Jersey
  • New York
  • North Carolina
  • Ohio
  • Oklahoma
  • Pennsylvania
  • South Carolina
  • Tennessee
  • Texas
  • Virginia
  • West Virginia


Cottonmouth

Agkistrodon piscivorus

High Risk

Venomous

65 to 90 cm (26 to 35 in)

  • Alabama
  • Arkansas
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Kentucky
  • Louisiana
  • Mississippi
  • Missouri
  • North Carolina
  • Oklahoma
  • South Carolina
  • Tennessee
  • Texas
  • Virginia


Eastern Diamondback Rattlesnake

Crotalus adamanteus

High Risk

Venomous

1.1 to 1.7 m (3.5 to 5.5 ft)

  • Alabama
  • Florida
  • Georgia
  • Louisiana
  • Mississippi
  • North Carolina
  • South Carolina


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


Lower California rattlesnake

Crotalus enyo

High Risk

Venomous

89.8 cm (35.4 in)

  • California


Timber Rattlesnake

Crotalus horridus

High Risk

Venomous

 91–152 cm (36–60 in)

  • Alabama
  • Arkansas
  • Connecticut
  • Delaware
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Maryland
  • Massachusetts
  • Mississippi
  • Missouri
  • New Jersey
  • New York
  • North Carolina
  • Ohio
  • Oklahoma
  • Pennsylvania
  • South Carolina
  • Tennessee
  • Texas
  • Virginia
  • West Virginia
  • Wisconsin 


Rock Rattlesnake

Crotalus lepidus

High Risk

Venomous

 60 – 70 cm (23 – 27 in)

  • Arizona
  • New Mexico
  • Texas


Speckled Rattlesnake

Crotalus mitchellii

High Risk

Venomous

90 – 100 cm (35 -39 in)

  • Arizona
  • California
  • Nevada
  • Utah


Blacktail Rattlesnake

Crotalus molossus

High Risk

Venomous

76 -107 cm (30 -42 in) 

  • Arizona
  • New Mexico
  • Texas


Twin-spotted Rattlesnake

Crotalus pricei

High Risk

Venomous

50–60 cm (20–24 in)

  • Arizona


Red Diamond Rattlesnake

Crotalus ruber

High Risk

Venomous

76 – 165 cm (30 – 65 in)

  • California


Mojave Rattlesnake

Crotalus scutulatus

High Risk

Venomous

 100-137 cm (39-54 in)

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


Tiger Rattlesnake

Crotalus tigris

High Risk

Venomous

46 – 91 cm (18 – 36 in)

  • Arizona


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


Ridgenose Rattlesnake

Crotalus willardi

High Risk

Venomous

30–60 cm (11–23 in)

  • Arizona


Massasauga

Sistrurus catenatus

High Risk

Venomous

50–95 cm (20–37 in)

  • Arizona
  • Illinois
  • Indiana
  • Iowa
  • Minnesota
  • Missouri
  • New York
  • Ohio
  • Pennsylvania
  • Wisconsin
  • Michigan


Pigmy Rattlesnake

Sistrurus miliarius

High Risk

Venomous

40–60 cm (16–24 in)

  • Alabama
  • Arkansas
  • Florida
  • Georgia
  • Kentucky
  • Louisiana
  • Mississippi
  • North Carolina
  • Oklahoma
  • South Carolina
  • Tennessee
  • Texas

Coral Snakes

Coral snakes are a type of venomous snake found in the USA as well as across the globe. They are brightly colored with bands of red, yellow, and black, and their bite is potentially lethal to humans. This being said, coral snakes are shy and not extremely aggressive, so they are not often seen by people.

However, if you do see one, it is important to be cautious and not to approach it. Coral snakes will only bite if they feel threatened, so it is best to leave them alone. If you are bitten by a coral snake, it is important to seek medical attention immediately as their venom can be deadly.

I would always remind you that coral snakes are an important part of the ecosystem, so it is important to respect them and their space. If you need to remove one from your property, hire an expert to do it humanely.

Western Coral Snake

Micruroides euryxanthus

Medium Risk

Venomous

45 -50 cm (18-20 in)

  • Arizona 


Eastern Coral Snake

Micrurus fulvius

Medium Risk

Venomous

50–95 cm (20–37 in)

  • Alabama
  • Arkansas
  • Florida
  • Georgia
  • Louisiana
  • Mississippi
  • North Carolina
  • South Carolina
  • Texas


Yellowbelly Sea Snake

Pelamis platurus

High Risk

Venomous

72 – 88 cm (28 – 35 in)

  • California

Boas

Boa snakes are found in the USA, primarily in the southern states but also along the Western seaboard. They can grow to be quite large, some species outside the US up to 12 feet in length. These snakes are typically brown or green in color with patterns that help them blend in with their surroundings.

Boa snakes are nonvenomous but can still be dangerous if they feel threatened. If you encounter a boa snake, it is important to stay calm and avoid making any sudden movements. Slowly back away from the snake and give it a chance to escape. If you must move past the snake, do so slowly and carefully. Never attempt to handle a wild boa snake, as even these docile creatures can be aggressive when threatened.

If you have any concerns about a boa snake in your area, get in contact with one of our local pest control partners via the phone.

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

Rosy Boa


Rosy Boa

Lichanura trivirgata

Low Risk

Nonvenomous 

43 – 112 cm (17-44 in)

  • Arizona
  • California

Colubrid Snakes

Colubrid snakes are the largest group of snakes in the world, making up over two-thirds of all snake species. They can be found on every continent except Antarctica, and Colubrids are particularly common in the United States.

Colubrids come in a wide variety of shapes and sizes, but they all share a few key characteristics which are why they are associated with one group. Some of the Colubrids species are nonvenomous, although a few species are fanged and capable of delivering a venomous bite.

Colubrids are generally shy snakes that prefer to avoid contact with humans. However, if you do encounter a Colubrid snake, it is important to stay calm and leave it alone and give it plenty of space. If you must handle the snake, be sure to do so carefully and avoid provoking it.

As I dais, some of These snakes are not venomous (see the list below), but their bites can still be painful. With that said, Colubrid snakes are an important part of the ecosystem and play a vital role in controlling pest populations. If you see one in your yard then it’s just easier to call in an expert to deal with it.

Glossy Snake

Arizona elegans

Zero Risk

Nonvenomous 

 75–130 cm (30-50 in) 

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


Baja California Rat Snake

Bogertophis rosaliae

Low Risk

nonvenomous

85–150 cm (33-59 in)

  • California


Trans-Pecos Rat Snake

Bogertophis subocularis

Low Risk

nonvenomous

90–137 cm (36-54 in)

  • New Mexico
  • Texas


Worm Snake

Carphophis amoenus

Low Risk

Nonvenomous

9–28 cm (7.5–11.0 in)

  • Alabama
  • Arkansas
  • Connecticut
  • Delaware
  • Kentucky
  • Massachusetts
  • Maryland
  • New Jersey
  • New York
  • North Carolina
  • Pennsylvania
  • South Carolina
  • Tennessee
  • Virginia
  • West Virginia


Scarlet Snake

Cemophora coccinea

Low Risk

Nonvenomous

14-26 inches (36–66 cm) 

  • Alabama
  • Arkansas
  • Connecticut
  • Delaware
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Kentucky
  • Louisiana
  • Maryland
  • Massachusetts
  • Mississippi
  • Missouri
  • New Jersey
  • New York
  • North Carolina
  • Oklahoma
  • Pennsylvania
  • South Carolina
  • Tennessee
  • Texas
  • Virginia
  • West Virginia


Banded Sand Snake

Chilomeniscus cinctus

Low Risk

Nonvenomous

17.8-28 cm (7 – 11 in)

  • Arizona
  • California


Western Shovelnose Snake

Chionactis occipitalis

Low Risk

Nonvenomous

25 – 43 cm (10 -17 in)

  • Arizona
  • California
  • Nevada


Sonoran Shovelnose Snake

Chionactis palarostris

Low Risk

Nonvenomous

25–43 cm (10-17 in)

  • Arizona


Kirtland’s Snake

Clonophis kirtlandii

Low Risk

Nonvenomous

30–46 cm (12-18 inches).

  • Illinois
  • Indiana
  • Kentucky
  • Michigan
  • Ohio
  • Pennsylvania


Racer

Coluber constrictor

Low Risk

Nonvenomous

50 -152 cm (20 -60 in)

  • All States except Alaska & Hawaii


Black-striped Snake

Coniophanes imperialis

Low Risk

Venomous

30-45 cm (12-18 in)

  • Texas


Sharptail Snake

Contia tenuis

Low Risk

Venomous

30–46 cm (12–18 in)

  • California
  • Oregon
  • Washington


Ringneck Snake

Diadophis punctatus

Zero Risk

Nonvenomous

25–38 cm (10–15 in)

  • All States except Alaska & Hawaii


Indigo Snake

Drymarchon corais

Low Risk

Nonvenomous

152-213 cm (60-84 in)

  • Alabama
  • Florida
  • Georgia
  • Louisiana
  • Mississippi
  • Texas


Speckled Racer

Drymobius margaritiferus

Low Risk

Nonvenomous

76–102 cm (30–40 in

  • Texas


Baird’s Rat Snake

Pantherophis bairdi

Zero Risk

Nonvenomous

64 – 140 cm (25 – 55 in)

  • Texas


Emory’s Rat Snake

Pantherophis emoryi

Low Risk

Nonvenomous

80 –150 cm (31–59 in)

  • Colorado
  • Missouri
  • Nebraska
  • Texas


Corn Snake

Pantherophis guttatus

Zero Risk

Nonvenomous

 61–182 cm (2.–5.97 ft)

  • Alabama
  • Arkansas
  • Delaware
  • Florida
  • Georgia
  • Kansas
  • Kentucky
  • Louisiana
  • Maryland
  • Massachusetts
  • Mississippi
  • Missouri
  • New Jersey
  • North Carolina
  • Oklahoma
  • South Carolina
  • Tennessee
  • Texas
  • Virginia
  • West Virginia 


Common Rat Snake

Pantherophis obsoletus

Low Risk

Nonvenomous

106 – 183 cm (3 ft 6 in – 6 ft)

  • Arkansas
  • Iowa
  • Kansas
  • Louisiana
  • Missouri
  • Nebraska
  • Oklahoma
  • Texas


Slowinski’s Corn Snake

Pantherophis slowinskii

Low Risk

Nonvenomous

61–182 cm (2.–5.97 ft)

  • Arkansas


Fox Snake

Pantherophis vulpinus

Low Risk

Nonvenomous

91-182 cm (3 – 6 ft)

  • Illinois
  • Indiana
  • Michigan
  • Missouri
  • Ohio
  • Wisconsin


Mud Snake

Farancia abacura

Low Risk

Nonvenomous

101.6–137 cm (40–54 in)

  • Alabama
  • Arkansas
  • Florida
  • Georgia
  • Illinois
  • Kentucky
  • Louisiana
  • Mississippi
  • Missouri
  • North Carolina
  • Oklahoma
  • South Carolina
  • Tennessee
  • Texas
  • Virginia


Rainbow Snake

Farancia erytrogramma

Low Risk

Nonvenomous

91–122 cm (36-48 in)

  • Alabama
  • Florida
  • Georgia
  • Louisiana
  • Maryland
  • Mississippi
  • North Carolina
  • South Carolina
  • Virginia


Mexican Hooknose Snake

Ficimia streckeri

Low Risk

Nonvenomous

13 -28 cm (5 – 11 in)

  • Texas


Western Hooknose Snake

Gyalopion canum

Low Risk

Nonvenomous

18-28 cm (7-11 in)

  • Arizona
  • New Mexico
  • Texas


Desert Hooknose Snake

Gyalopion quadrangulare

Low Risk

Nonvenomous

18-28 cm (7-11 in)

  • Arizona
  • New Mexico
  • Texas


Western Hognose Snake

Heterodon nasicus

Low Risk

Nonvenomous

40–50 cm (15–20 in)

  • All States except Alaska & Hawaii


Eastern Hognose Snake

Heterodon platirhinos

Low Risk

Venomous

71 cm (28 in) 

  • Alabama
  • Arkansas
  • Connecticut
  • Delaware
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Maine
  • Maryland
  • Massachusetts
  • Minnesota
  • Mississippi
  • New Hampshire
  • New Jersey
  • North Carolina
  • Pennsylvania
  • Rhode Island
  • South Carolina
  • Tennessee
  • Texas
  • Virginia
  • West Virginia
  • Wisconsin


Southern Hognose Snake

Heterodon simus

Low Risk

Nonvenomous

35.5–61 cm (14-24 in)

  • Alabama
  • Florida
  • Georgia
  • Mississippi
  • North Carolina
  • South Carolina
  • Tennessee


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


Prairie Kingsnake

Lampropeltis calligaster

Low Risk

Nonvenomous

76–102 cm (30–40 in)

  • Alabama
  • Arkansas
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Michigan
  • Minnesota
  • Mississippi
  • Missouri
  • Nebraska
  • North Carolina
  • North Dakota
  • Ohio
  • South Carolina
  • South Dakota
  • Tennessee
  • Wisconsin


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


Sonora Mountain Kingsnake

Lampropeltis pyromelana

Low Risk

Venomous

45–109 cm (18 -43 in)

  • Arizona


Milk Snake

Lampropeltis triangulum

Low Risk

Nonvenomous

36 -183 cm (14 – 72 in)

  • Connecticut
  • Delaware
  • Florida
  • Georgia
  • Maine
  • Maryland
  • Massachusetts
  • New Hampshire
  • New Jersey
  • New York
  • North Carolina
  • Rhode Island
  • South Carolina
  • Virginia


California Mountain Kingsnake

Lampropeltis zonata

Low Risk

Venomous

61–76 cm (24 – 30 in)

  • California
  • Oregon
  • Washington

Cat-eyed Snake


Cat-eyed Snake

Leptodeira septentrionalis

Low Risk

Nonvenomous

46 – 61 cm (18–24 in)

  • Texas


Sonoran Whipsnake

Masticophis bilineatus

Low Risk

Nonvenomous

60 – 150 cm (24–59 in)

  • Arizona
  • New Mexico


Coachwhip

Masticophis flagellum

Low Risk

Nonvenomous

42-60 in (107-152 cm)

  • Alabama
  • Arkansas
  • Arizona
  • California
  • Florida
  • Georgia
  • Louisiana
  • Mississippi
  • New Mexico
  • North Carolina
  • Oklahoma
  • South Carolina
  • Tennessee
  • Texas


Striped Racer

Masticophis lateralis

Low Risk

Nonvenomous

90–120 cm (35–47 in)

  • California


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


Salt Marsh Snake

Nerodia clarkii

Low Risk

Nonvenomous

38–76 cm (15–30 in)

  • Florida
  • Louisiana
  • Mississippi
  • Texas


Mississippi Green Water Snake

Nerodia cyclopion

Low Risk

Nonvenomous

50–95 cm (20–37 in)

  • Alabama
  • Arkansas
  • Florida
  • Illinois
  • Indiana
  • Kentucky
  • Louisiana
  • Mississippi
  • Missouri
  • Tennessee
  • Texas

Plainbelly Water Snake


Plainbelly Water Snake

Nerodia erythrogaster

Low Risk

Nonvenomous

76–122 cm (24–40 in)

  • Alabama
  • Florida
  • Georgia
  • Kentucky
  • Maryland
  • Mississippi
  • North Carolina
  • South Carolina
  • Tennessee
  • Virginia
  • West Virginia


Southern Water Snake

Nerodia fasciata

Low Risk

Nonvenomous

61–107 cm (24–42 in)

  • Arizona
  • California
  • Florida
  • Georgia
  • North Carolina
  • South Carolina
  • Texas

NB: This snakes is known to be spreading further West through the USA



Florida Green Water Snake

Nerodia floridana

Low Risk

Nonvenomous

76–140 cm (30–55 in)

  • Florida


Brazos Water Snake

Nerodia harteri

Low Risk

Nonvenomous

41–81 cm (16–32 in)

  • Texas


Concho Water Snake

Nerodia paucimaculata

Low Risk

Nonvenomous

41–81 cm (16–32 in)

  • Texas


Diamondback Water Snake

Nerodia rhombifer

Low Risk

Nonvenomous

76–122 cm (30–48 in)

  • Alabama
  • Arkansas
  • Georgia
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Louisiana
  • Mississippi
  • Missouri
  • Oklahoma
  • Tennessee
  • Texas


Northern Water Snake

Nerodia sipedon

NB: Often confused for the venomous Cottonmouth

Low Risk

Nonvenomous

61-140 com (24–55 in)

  • All States except Alaska & Hawaii


Brown Water Snake

Nerodia taxispilota

Low Risk

Nonvenomous

76–152 cm (30–60 in)

  • Alabama
  • Florida
  • Georgia
  • Arkansas
  • Kentucky
  • Louisiana
  • Mississippi
  • North Carolina
  • South Carolina
  • Tennessee


Rough Green Snake

Opheodrys aestivus

Low Risk

Nonvenomous

59–81 cm (22 – 32 in)

  • Alabama
  • Florida
  • Georgia
  • Kentucky
  • Maryland
  • Mississippi
  • North Carolina
  • South Carolina
  • Tennessee
  • Texas
  • Virginia
  • West Virginia


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


Mexican Vine Snake

Oxybelis aeneus

Low Risk

Nonvenomous

up to 1.9 m (6.2 ft)

  • Arizona


Saddle Leaf-nosed Snake

Phyllorhynchus browni

Low Risk

Nonvenomous

30–51 cm (12–20 in)

  • Arizona
  • California


Spotted Leaf-nosed Snake

Phyllorhynchus decurtatus

Low Risk

Nonvenomous

30–51 cm (12–20 in

  • Arizona
  • California
  • Nevada


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


Pine Snake

Pituophis melanoleucus

Low Risk

Nonvenomous

120–230 cm (48–90 in)

  • Alabama
  • Florida
  • Georgia
  • Kentucky
  • Louisiana
  • Mississippi
  • New Jersey
  • North Carolina
  • South Carolina
  • Tennessee
  • Delaware
  • Virginia


Striped Crayfish Snake

Regina alleni

Low Risk

Nonvenomous

33–50 cm (13–20 in)

  • Alabama
  • Florida
  • Georgia


Graham’s Crayfish Snake

Regina grahamii

Low Risk

Nonvenomous

46–71 cm (18–28 in)

  • Arkansas
  • Illinois
  • Iowa
  • Kansas
  • Louisiana
  • Mississippi
  • Missouri
  • Nebraska
  • Oklahoma
  • Texas


Glossy Crayfish Snake

Regina rigida

Low Risk

Nonvenomous

36–61 cm (14–24 in)

  • Alabama
  • Arkansas
  • Florida
  • Georgia
  • Louisiana
  • Mississippi
  • North Carolina
  • Oklahoma
  • South Carolina
  • Texas
  • Virginia


Queen Snake

Regina septemvittata

Low Risk

Nonvenomous

17–23 cm (7–9 in)

  • Alabama
  • Connecticut
  • Delaware
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Kentucky
  • Maine
  • Maryland
  • Massachusetts
  • Michigan
  • Mississippi
  • New Hampshire
  • New Jersey
  • New York
  • North Carolina
  • Ohio
  • Pennsylvania
  • Rhode Island
  • South Carolina
  • Tennessee
  • Vermont
  • Virginia
  • West Virginia
  • Wisconsin


Pine Woods Snake

Rhadinaea flavilata

Low Risk

Nonvenomous

25–33 cm (10–13 in)

  • Alabama
  • Florida
  • Georgia
  • Louisiana
  • North Carolina
  • South Carolina


Longnose Snake

Rhinocheilus lecontei

Low Risk

Nonvenomous

56–81 cm (22–32 in)

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


Big Bend Patchnose Snake

Salvadora deserticola

Low Risk

Nonvenomous

50–101 cm (20–40 in)

  • Arizona
  • New Mexico
  • Texas


Mountain Patchnose Snake

Salvadora grahamiae

Low Risk

Nonvenomous

55–119 cm (22–47 in)

  • New Mexico
  • Texas


Western Patchnose Snake

Salvadora hexalepis

Low Risk

Nonvenomous

51–117 cm (20–46 in)

  • Arizona
  • California
  • Nevada
  • New Mexico
  • Texas


Black Swamp Snake

Seminatrix pygaea

Low Risk

Nonvenomous

50–95 cm (20–37 in)

  • Alabama
  • Florida
  • Georgia
  • Kentucky
  • Maryland
  • Mississippi
  • North Carolina
  • South Carolina
  • Tennessee
  • Virginia
  • West Virginia


Green Rat Snake

Senticolis triaspis

Low Risk

Nonvenomous

91-152 cm (3-5 ft)

  • Arizona


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


Short-tailed Snake

Stilosoma extenuatum

Low Risk

Nonvenomous

36–51 cm (14–20 in)

  • Florida

brown snake


Brown Snake

Storeria dekayi

Low Risk

Nonvenomous

17–33 cm (6–13 in)

  • Connecticut
  • Delaware
  • Florida
  • Georgia
  • Maine
  • Maryland
  • Massachusetts
  • New Hampshire
  • New Jersey
  • New York
  • North Carolina
  • Rhode Island
  • South Carolina
  • Virginia


Redbelly Snake

Storeria occipitomaculata

Low Risk

Nonvenomous

4–10 cm (10–25 in)

  • All States except Alaska & Hawaii


Mexican Blackhead Snake

Tantilla atriceps

Low Risk

Nonvenomous

20 cm (8 in) 

  • Texas


Southeastern Crowned Snake

Tantilla coronata

Low Risk

Nonvenomous

20–25 cm (8-10 in) 

  • Alabama
  • Florida
  • Georgia
  • Indiana
  • Kentucky
  • Louisiana
  • Mississippi
  • North Carolina
  • South Carolina
  • Tennessee
  • Virginia


Flathead Snake

Tantilla gracilis

Low Risk

Nonvenomous

18–20 cm (7–8 in)

  • Arkansas
  • Illinois
  • Kansas
  • Louisiana
  • Missouri
  • Oklahoma
  • Texas


Southwestern Blackhead Snake

Tantilla hobartsmithi

Low Risk

Nonvenomous

20–38 cm (8–15 in)

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


Plains Blackhead Snake

Tantilla nigriceps

Low Risk

Nonvenomous

18–38 cm (7–15 in)

  • Arizona
  • Colorado
  • Kansas
  • Nebraska
  • New Mexico
  • Oklahoma
  • Texas


Rim Rock Crowned Snake

Tantilla oolitica

Low Risk

Nonvenomous

29 cm (11 in)

  • Florida


Western Blackhead Snake

Tantilla planiceps

Low Risk

Nonvenomous

17–38 cm (7–15 in)

  • California


Florida Crowned Snake

Tantilla relicta

Low Risk

Nonvenomous

17–22 cm (7–9 in)

  • Florida


Big Bend Blackhead Snake

Tantilla rubra

Low Risk

Nonvenomous

30 cm (11 in)

  • Arizona
  • California
  • Nevada
  • New Mexico
  • Texas


Chihuahuan Blackhead Snake

Tantilla wilcoxi

Low Risk

Nonvenomous

35 cm (14 in)

  • Nevada


Yaqui Blackhead Snake

Tantilla yaquia

Low Risk

Nonvenomous

18–38 cm (7–15 in)

  • Arizona
  • Colorado
  • Kansas
  • Nebraska
  • New Mexico
  • Oklahoma
  • Texas


Santa Cruz Garter Snake

Thamnophis atratus

Low Risk

Nonvenomous

46-102 cm (18-40 in)

  • California


Shorthead Garter Snake

Thamnophis brachystoma

Low Risk

Nonvenomous

25–55 cm (10–22 in)

  • California


Butler’s Garter Snake

Thamnophis butleri

Low Risk

Nonvenomous

38–51 cm (15–20 in)

  • Indiana
  • Michigan
  • Ohio


Western Aquatic Garter Snake

Thamnophis couchi

Low Risk

Nonvenomous

46–102  cm (18-40 in)

  • California
  • Oregon


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


Mexican Garter Snake

Thamnophis eques

Low Risk

Nonvenomous

46–101 cm (18 -40 in)

  • Arizona
  • New Mexico


Giant Garter Snake

Thamnophis gigas

Low Risk

Nonvenomous

94–165 cm (3–5 ft)

  • California


Checkered Garter Snake

Thamnophis marcianus

Low Risk

Nonvenomous

46–61 cm (8–24 in)

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


Northwestern Garter Snake

Thamnophis ordinoides

Low Risk

Nonvenomous

33–97cm (13–38 in)

  • California
  • Oregon


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


Plains Garter Snake

Thamnophis radix

Low Risk

Nonvenomous

38–71 cm (15–28 in)

  • Alabama
  • Arkansas
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Michigan
  • Minnesota
  • Mississippi
  • Missouri
  • Nebraska
  • North Dakota
  • Ohio
  • Oklahoma
  • South Dakota
  • Tennessee
  • Texas
  • West Virginia
  • Wisconsin


Narrowhead Garter Snake

Thamnophis rufipunctatus

Low Risk

Nonvenomous

81-112 cm (32–44 in)

  • Arizona
  • New Mexico


Eastern Ribbon Snake

Thamnophis sauritus

Low Risk

Nonvenomous

41–89 cm (16–35 in)

  • Alabama
  • Connecticut
  • Delaware
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Kentucky
  • Maine
  • Maryland
  • Massachusetts
  • Michigan
  • Mississippi
  • New Hampshire
  • New Jersey
  • New York
  • North Carolina
  • Ohio
  • Pennsylvania
  • Rhode Island
  • South Carolina
  • Tennessee
  • Vermont
  • Virginia
  • West Virginia
  • Wisconsin


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


Lined Snake

Tropidoclonion lineatum

Low Risk

Nonvenomous

50–95 cm (20–37 in)

  • Alabama
  • Arkansas
  • Illinois
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Mississippi
  • Missouri
  • Nebraska
  • Oklahoma
  • Tennessee
  • Texas


Rough Earth Snake

Virginia striatula

Low Risk

Nonvenomous

18–25 cm (7–10 in)

  • Alabama
  • Arkansas
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Mississippi
  • Missouri
  • North Carolina
  • Oklahoma
  • South Carolina
  • Tennessee
  • Texas
  • Virginia
  • West Virginia


Smooth Earth Snake

Virginia valeriae

Low Risk

Nonvenomous

18–25 cm (7–10 in)

  • Alabama
  • Arkansas
  • Delaware
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Maryland
  • Mississippi
  • Missouri
  • Nebraska
  • New Jersey
  • North Carolina
  • Ohio
  • Oklahoma
  • Pennsylvania
  • South Carolina
  • Tennessee
  • Texas
  • Virginia
  • West Virginia

Slender Blind Snakes

Texas Blind Snake

Texas Blind Snake

Leptotyphlops dulcis

Zero risk

nonvenomous 

27 cm (11 in)

  • Texas


Western Blind Snake

Leptotyphlops humilis

Zero risk

nonvenomous 

30 cm (12 in)

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

Other Articles to read on snakes as pests:

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