Big-Headed Amazon River Turtle
Acanthochelys macrocephala
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassTestudines
- FamilyChelidae (Austro-American Side-necked Turtles)
- GenusAcanthochelys (Spiny Swamp Turtles)
- SpeciesAcanthochelys macrocephala (Big-Headed Amazon River Turtle)
5–10% of wildlife watchers report a Big-Headed Amazon River Turtle sighting in Parque Estadual Encontro das Águas, based on 5 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 |
More parks will be added in future updates.
Quick answers
What are the chances of seeing a Big-Headed Amazon River Turtle in Parque Estadual Encontro das Águas?
About 8% of wildlife watchers report a Big-Headed Amazon River Turtle sighting in Parque Estadual Encontro das Águas, based on 5 days of visitor records from GBIF citizen-science data.
When is the best time to see Big-Headed Amazon River Turtle in Parque Estadual Encontro das Águas?
May has the highest sighting rate for Big-Headed Amazon River Turtle in Parque Estadual Encontro das Águas in our monthly data.