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4005 thumb Common Snakes Identification Guide for the Houston Area

Guide to distinguishing venomous from nonvenomous species common to the Houston area. Physical descriptions from Texas Snakes: A Field Guide, James R. Dixon and John E. Werler, University of Texas Press, 2000.

Small
Coral Snake 1
Micrurus tener
Small
Copperhead 2
Agkistrodon contortrix
240px snake cottonmouth, agkistrodon piscivorus by scott zona
Cottonmouth 3
Agkistrodon piscivorus
86717 260 190
Western Diamondback Rattlesnake 4
Crotalus atrox
82147 260 190
Timber Rattlesnake 5
Crotalus horridus
Small
Western Pygmy Rattlesnake 6
Sistrurus miliarius streckeri
Small
Eastern Hognose Snake 7
Heterodon platirhinos
Small
Blotched Water Snake 1
Nerodia erythrogaster transversa
Small
Broad-banded Water Snake 8
Nerodia fasciata confluens
5602422553 5e6b223b4e m
Diamondback Water Snake 9
Nerodia rhombifer
5609735293 fa3e6138c7 m
Yellow bellied Water Snake 10
Nerodia erythrogaster flavigaster
5691167204 9758812476 m
Mississippi Green Water Snake 11
Nerodia cyclopion
18155 260 190
Texas Rat Snake 12
Pantherophis obsoletus lindheimeri
Small
Prairie King Snake 6
Lampropeltis calligaster calligaster
96398 260 190
Speckled King Snake 13
Lampropeltis holbrooki
76484 260 190
Western Coachwhip 14
Coluber flagellum testaceus
16247 orig
Yellowbelly Racer 15
Coluber constrictor flaviventris
95698 260 190
Rough Green Snake 5
Opheodrys aestivus
27909 260 190
Eastern Garter Snake 5
Thamnophis sirtalis sirtalis
23037 260 190
Western Ribbon Snake 11
Thamnophis proximus
Small
Gulf Coast Ribbon Snake 16
Thamnophis proximus orarius
60503 orig
Graham's Crayfish Snake 15
Regina grahamii
240px gulf crayfish snake
Gulf Crayfish Snake 17
Regina rigida sinicola
5479599803 a2339e0f07 m
Rough Earthsnake 11
Virginia striatula
Small
Flat-headed Snake 6
Tantilla gracilis
Small
Texas Brown Snake 18
Storeria dekayi texana
Small
Louisiana Milksnake 13
Lampropeltis triangulum amaura
Small
Western Mud Snake 19
Farancia abacura reinwardtii

Edited by Amber Leung, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) David Barker, some rights reserved (CC BY-NC)
  • 2. (c) venomdoc, some rights reserved (CC BY-NC)
  • 3. (c) scott.zona, some rights reserved (CC BY)
  • 4. Gary Stolz (photographer)/Pharaoh Hound, no known copyright restrictions (public domain)
  • 5. (c) 2011 Todd Pierson, some rights reserved (CC BY-NC-SA)
  • 6. (c) dianaterryhibbitts, some rights reserved (CC BY-NC), uploaded by Diana-Terry Hibbitts
  • 7. (c) johnwilliams, some rights reserved (CC BY-NC), uploaded by johnwilliams
  • 8. (c) mkoch, some rights reserved (CC BY-NC), uploaded by Michelle Koch
  • 9. (c) Greg Schechter, some rights reserved (CC BY)
  • 10. (c) Andrew Hoffman, some rights reserved (CC BY-NC-ND)
  • 11. (c) Todd Pierson, some rights reserved (CC BY-NC-SA)
  • 12. (c) Romey Swanson, some rights reserved (CC BY-NC)
  • 13. (c) Chris Harrison, some rights reserved (CC BY-NC)
  • 14. (c) tomlott, some rights reserved (CC BY-NC)
  • 15. (c) Diana-Terry Hibbitts, some rights reserved (CC BY-NC)
  • 16. (c) Jon McIntyre, some rights reserved (CC BY-NC)
  • 17. (c) John Sullivan, some rights reserved (CC BY-SA)
  • 18. (c) Chris, some rights reserved (CC BY-NC-ND)
  • 19. (c) johnwilliams, some rights reserved (CC BY-NC)

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