CreatureData

Western Ribbonsnake

Thamnophis proximus (Say, 1823)

Status not recordedsnakes

The western ribbonsnake (Thamnophis proximus) is a species in the family Colubridae, order Squamata. Recorded adults weigh about 62.3 g and live up to 6.6 years.

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Quick facts about the western ribbonsnake

Weight
62.3 gsrc for Weight
Length
up to 1.23 msrc for Length
Lifespan
6.6 yearssrc for Lifespan
Diet
Carnivoresrc for Diet
Longest recorded lifespan
10.6 years
Main food
Not recorded
Habitat
grassland, shrublandsrc for Habitat
Egg incubation
49 dayssrc for Egg incubation
Young per litter or clutch
8.4 – 19src for Young per litter or clutch
Age at maturity
2 years – 3 yearssrc for Age at maturity
Litters or clutches a year
0.81 – 2src for Litters or clutches a year
Reproduction
Live birthsrc for Reproduction
Active
By day (diurnal)src for Active
Conservation status
Not recorded
Countries on record
Not recorded

Which animals does the western ribbonsnake eat?

Species recorded in published studies and collections.

Recorded prey of the western ribbonsnake

1 on record

  1. Blanchard's cricket frog Acris blanchardi2 sources

Each pair is recorded by at least two independent datasets. A record shows the animal was seen or found to have eaten the other, including scavenged carcasses and young animals; it does not say how often. Compiled by Global Biotic Interactions (CC0 1.0).

References for these records
  • https://www.inaturalist.org/observations/179627285
  • Notes on the diets of seven sympatric snakes in the genera Agkistrodon, Nerodia, Sistrurus, and Thamnophis. 2014. Herpetology Notes 7: 171-177

Where does the western ribbonsnake live?

Not recorded

Is the western ribbonsnake endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the western ribbonsnake classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classReptilia
  4. orderSquamata
  5. familyColubridae
  6. genusThamnophis
  7. SpeciesThamnophis proximus (Say, 1823)

Synonyms Coluber proximus, Eutaenia rutiloris, Eutainia faireyi, Thamnophis sauritus proximus

Other names and names in other languages (21)
  • Western ribbon snakeEnglish
  • Vestlig BåndssnogDanish
  • Westliche BändernatterGerman
  • Westliche Bänder-StrumpfbandnatterGerman
  • Westliche StreifenstrumpfbandnatterGerman
  • Jarretera OccidentalSpanish
  • Culebra acuática centroamericanaSpanish
  • culebra listonada occidentalSpanish
  • Culebra-listonada occidentalSpanish
  • Couleuvre mince de l’OuestFrench
  • Serpente giarrettiera occidentaleItalian
  • rødsidet strømpebandsnokNorwegian Bokmål
  • Cobra-fita-ocidentalPortuguese
  • Западная подвязочная змея СаяRussian
  • västlig sidenbandssnokSwedish
  • rödsidig strumpebandssnokSwedish
  • Western Ribbon Snakeroot
  • Arid Land Ribbon Snakeroot
  • Gulf Coast Ribbon Snakeroot
  • Redstripe Ribbon Snakeroot
  • 西部束帶蛇Chinese

Catalogue of LifeiNaturalistITISWikidata

Relatives of the western ribbonsnake

Other species in the same genus Thamnophis.

CompareWestern Ribbonsnake vs Garden snakeWestern Ribbonsnake vs Terrestrial garter snakeWestern Ribbonsnake vs Giant garter snakeWestern Ribbonsnake vs Blackneck garter snake

Common questions

Answered only where our data holds the answer.

How big is the western ribbonsnake?

An adult western ribbonsnake weighs 62.3 g, according to values recorded on Wikidata.

How long does the western ribbonsnake live?

The western ribbonsnake has a recorded lifespan of 6.6 years.

What kind of animal is the western ribbonsnake?

The western ribbonsnake (Thamnophis proximus) belongs to the family Colubridae in the order Squamata.

Which animals does the western ribbonsnake eat?

Animals recorded as prey of the western ribbonsnake include blanchard's cricket frog. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Western Ribbonsnake (Thamnophis proximus). Retrieved from https://creaturedata.com/animals/western-ribbonsnake

MLA

“Western Ribbonsnake (Thamnophis proximus).” CreatureData, 2026, https://creaturedata.com/animals/western-ribbonsnake.

BibTeX
@misc{western_ribbonsnake_2026,
  title = {Western Ribbonsnake (Thamnophis proximus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/western-ribbonsnake},
  note = {Data as of 2026-11-14}
}