Yellow Anaconda
Eunectes notaeus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyBoidae (Boas)
- GenusEunectes (Anacondas)
- SpeciesEunectes notaeus (Yellow Anaconda)
The yellow anaconda (Eunectes notaeus), also known as the Paraguayan anaconda, is a boa species endemic to southern South America. It is one of the largest snakes in the world but smaller than its close relative, the green anaconda. No subspecies are currently recognized. Like all boas and pythons, it is non-venomous and kills its prey by constriction. Wikipedia →
30–40% of wildlife watchers report a Yellow Anaconda sighting in Iberá National Park, based on 35 days of visitor records from GBIF citizen-science data.
📅 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 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil | |
| 2 | Iberá National Park | 🇦🇷 Argentina | |
| 3 | El Impenetrable National Park | 🇦🇷 Argentina |
Quick answers
What are the chances of seeing a Yellow Anaconda in Iberá National Park?
About 33% of wildlife watchers report a Yellow Anaconda sighting in Iberá National Park, based on 35 days of visitor records from GBIF citizen-science data.
When is the best time to see Yellow Anaconda in Iberá National Park?
July has the highest sighting rate for Yellow Anaconda in Iberá National Park in our monthly data.