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Snakes of Bexar County

A guide to the snakes of Bexar County, Texas.
These snakes are listed in approximately the frequency with which they could expect to be seen in the county (based on my experience). Those closer to the top of the page are common in much of the county, those towards the bottom are rarer, ...more ↓

Checkered Garter Snake 1
Thamnophis marcianus
Great Plains Ratsnake 2
Pantherophis emoryi
Western Ribbon Snake 3
Thamnophis proximus
Diamondback Watersnake 3
Nerodia rhombifer
Plain-bellied Watersnake 3
Nerodia erythrogaster
Eastern Patch-nosed Snake 4
Salvadora grahamiae
Western Diamondback Rattlesnake 5
Crotalus atrox
DeKay's Brownsnake 6
Storeria dekayi
Rough Earthsnake 7
Haldea striatula
Texas Coralsnake 8
Micrurus tener
Rough Greensnake 3
Opheodrys aestivus
Western Rat Snake 9
Pantherophis obsoletus
Coachwhip 10
Masticophis flagellum
Texas Blind Snake 3
Rena dulcis
Desert Kingsnake 3
Lampropeltis splendida
Chihuahuan Nightsnake 5
Hypsiglena jani
Tamaulipan Milksnake 3
Lampropeltis annulata
Brahminy Blindsnake 11
Indotyphlops braminus
Broad-banded Copperhead 3
Agkistrodon laticinctus
Cottonmouth (aka Water Moccasin) 2
Agkistrodon piscivorus
Eastern Hognose Snake 12
Heterodon platirhinos
Bullsnake 3
Pituophis catenifer
Flat-headed Snake 13
Tantilla gracilis
Graham's Crayfish Snake 9
Regina grahamii
Schott's Whipsnake 3
Masticophis schotti
Eastern Black-tailed Rattlesnake 3
Crotalus ornatus
Long-nosed Snake 3
Rhinocheilus lecontei
Striped Whipsnake 14
Masticophis taeniatus
Yellow-bellied Kingsnake 15
Lampropeltis calligaster
Central American Indigo Snake 3
Drymarchon melanurus
Western Groundsnake 3
Sonora semiannulata
Western Hog-nosed Snake 16
Heterodon nasicus
Black-necked Gartersnake 3
Thamnophis cyrtopsis
Lined Snake 17
Tropidoclonion lineatum
Glossy Snake 3
Arizona elegans
Plains Black-headed Snake 18
Tantilla nigriceps
Yellow-bellied Racer 3
Coluber constrictor
Baird's Ratsnake 3
Pantherophis bairdi
Ringneck Snake 19
Diadophis punctatus
Timber Rattlesnake 20
Crotalus horridus

Edited by Chris Harrison, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Chris Harrison, some rights reserved (CC BY-NC), uploaded by Chris Harrison
  • 2. (c) tom spinker, some rights reserved (CC BY-NC-ND)
  • 3. (c) Chris Harrison, all rights reserved, uploaded by Chris Harrison
  • 4. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND)
  • 5. (c) J. N. Stuart, all rights reserved, uploaded by J. N. Stuart
  • 6. (c) Matthew Ireland, all rights reserved, uploaded by Matthew Ireland
  • 7. (c) Andrew Hollander, some rights reserved (CC BY-NC-SA)
  • 8. (c) David G. Barker, some rights reserved (CC BY-NC), uploaded by David G. Barker
  • 9. (c) Shaun Hayes, some rights reserved (CC BY-NC), uploaded by Shaun Hayes
  • 10. (c) Hunter Desportes, some rights reserved (CC BY)
  • 11. (c) allcreaturesbigandsmall, some rights reserved (CC BY-NC)
  • 12. (c) USFWSmidwest, some rights reserved (CC BY)
  • 13. (c) Diana-Terry Hibbitts, some rights reserved (CC BY-NC), uploaded by Diana-Terry Hibbitts
  • 14. (c) Mark Pyle, some rights reserved (CC BY-NC), uploaded by Mark Pyle
  • 15. (c) karlierae, some rights reserved (CC BY-NC), uploaded by karlierae
  • 16. (c) Psyon, some rights reserved (CC BY-SA)
  • 17. (c) Mike Keeling, some rights reserved (CC BY-ND)
  • 18. Gary M. Stolz, U.S. Fish and Wildlife Service, no known copyright restrictions (public domain)
  • 19. (c) Alex Baecher, some rights reserved (CC BY-NC), uploaded by Alex Baecher
  • 20. (c) Tad Arensmeier, some rights reserved (CC BY)

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