Western Ribbon Snake
Thamnophis proximus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusThamnophis (Garter Snakes)
- SpeciesThamnophis proximus (Western Ribbon Snake)
Thamnophis proximus, commonly known as the western ribbon snake or western ribbonsnake, is a species of garter snake in the subfamily Natricinae of the family Colubridae. The species is found in the central and southern United States, Mexico, and Central America south to central Costa Rica. The species has six recognized subspecies. Wikipedia →
5–10% of wildlife watchers report a Western Ribbon Snake sighting in Cumbres de Monterrey National Park, based on 43 days of visitor records from GBIF citizen-science data.
Closest Relatives at Cumbres de Monterrey National Park
Checkered Garter Snake
Thamnophis marcianus
Black-necked Gartersnake
Thamnophis cyrtopsis
Northern Cat-eyed Snake
Leptodeira septentrionalis
Great Plains Ratsnake
Pantherophis emoryi
Baird's Ratsnake
Pantherophis bairdi
Speckled Racer
Drymobius margaritiferus
Diamondback Watersnake
Nerodia rhombifer
Central American Indigo Snake
Drymarchon melanurus
Nuevo Leon Graceful Brown Snake
Rhadinaea montana
Mexican Parrot Snake
Leptophis mexicanus
Red Black-headed Snake
Tantilla rubra
Gopher Snake
Pituophis catenifer
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Palo Verde National Park | 🇨🇷 Costa Rica | |
| 2 | Arrecifes de Cozumel National Park | 🇲🇽 Mexico | |
| 3 | Cumbres de Monterrey National Park | 🇲🇽 Mexico | |
| 4 | Celestún Biosphere Reserve | 🇲🇽 Mexico | |
| 5 | Sian Ka'an Biosphere Reserve | 🇲🇽 Mexico |
Quick answers
What are the chances of seeing a Western Ribbon Snake in Cumbres de Monterrey National Park?
About 7% of wildlife watchers report a Western Ribbon Snake sighting in Cumbres de Monterrey National Park, based on 43 days of visitor records from GBIF citizen-science data.
When is the best time to see Western Ribbon Snake in Cumbres de Monterrey National Park?
September has the highest sighting rate for Western Ribbon Snake in Cumbres de Monterrey National Park in our monthly data.