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 →
Closest Relatives at Celestún Biosphere Reserve
Gulf Coast Vine Snake
Oxybelis potosiensis
Rainforest Cat-eyed Snake
Leptodeira frenata
Mexican Parrot Snake
Leptophis mexicanus
Road Guarder
Conophis lineatus
Speckled Racer
Drymobius margaritiferus
Chicken Snake
Spilotes pullatus
Neotropical Whip Snake
Masticophis mentovarius
Central American Indigo Snake
Drymarchon melanurus
Black-striped Snake
Coniophanes imperialis
Two-spotted Snake
Coniophanes bipunctatus
Yellow-red Rat Snake
Pseudelaphe flavirufa
📅 Monthly Probability
Fewer than 5 records of Western Ribbon Snake at Celestún Biosphere Reserve — not enough to chart months honestly.
☀️ 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 |