Wagler's Snake
Xenodon merremii
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusXenodon
- SpeciesXenodon merremii (Wagler's Snake)
Xenodon merremii, also known commonly as Wagler's snake, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is endemic to South America and is widespread in the eastern half of the continent. Wikipedia →
10–20% of wildlife watchers report a Wagler's Snake sighting in Iberá National Park, based on 9 days of visitor records from GBIF citizen-science data.
Closest Relatives at Iberá National Park
False Water Cobra
Hydrodynastes gigas
Jaeger's Ground Snake
Erythrolamprus jaegeri
Patagonian Racer
Philodryas patagoniensis
Rio Tropical Racer
Palusophis bifossatus
Golden Liophis
Erythrolamprus semiaureus
Leopard Keelback
Helicops leopardinus
False Mussurana
Boiruna maculata
Yellow-bellied Liophis
Erythrolamprus poecilogyrus
Lichtenstein's Green Racer
Philodryas olfersii
Equator Tree Snake
Dipsas turgida
Brazilian Green Racer
Philodryas aestiva
Amazon False Coral Snake
Oxyrhopus rhombifer
📅 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 | Serra da Canastra National Park | 🇧🇷 Brazil | |
| 2 | Iberá National Park | 🇦🇷 Argentina | |
| 3 | Amboró National Park | 🇧🇴 Bolivia | |
| 4 | Emas National Park | 🇧🇷 Brazil | |
| 5 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 6 | Chapada Diamantina National Park | 🇧🇷 Brazil | |
| 7 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil | |
| 8 | Iguaçu National Park | 🇧🇷 Brazil |
Quick answers
What are the chances of seeing a Wagler's Snake in Iberá National Park?
About 14% of wildlife watchers report a Wagler's Snake sighting in Iberá National Park, based on 9 days of visitor records from GBIF citizen-science data.
When is the best time to see Wagler's Snake in Iberá National Park?
December has the highest sighting rate for Wagler's Snake in Iberá National Park in our monthly data.