Where to see
Phaetusa simplex
Parque Estadual Encontro das Águas leads · 6 parks ranked by real sighting rates
Share of wildlife watchers reporting a Large-billed Tern during a day in the park, from citizen-science data (GBIF)
| # | Park | Country | Sighting |
|---|---|---|---|
| 1 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil | |
| 2 | Anavilhanas National Park | 🇧🇷 Brazil | |
| 3 | Amacayacu National Natural Park | 🇨🇴 Colombia | |
| 4 | Iberá National Park | 🇦🇷 Argentina | |
| 5 | Tambopata National Reserve | 🇵🇪 Peru | |
| 6 | Cuyabeno Wildlife Reserve | 🇪🇨 Ecuador |
Parque Estadual Encontro das Águas
In Parque Estadual Encontro das Águas, Brazil, about 70% of wildlife watchers report a Large-billed Tern sighting on a given day, the highest of the 6 parks where we can rate it, from GBIF citizen-science data.
Anavilhanas National Park and more
After Parque Estadual Encontro das Águas, the next-best odds of seeing a Large-billed Tern are in Anavilhanas National Park (Brazil, about 30%), Amacayacu National Natural Park (Colombia, about 20%) and Iberá National Park (Argentina, about 20%).
It depends on the park
In the top parks, the best months are May to August in Parque Estadual Encontro das Águas (about 80%), November in Anavilhanas National Park (about 70%) and February, June–July and October–December in Amacayacu National Natural Park (about 30%), as the share of wildlife watchers who report a Large-billed Tern on a given day. Each park's Large-billed Tern page has the full month-by-month chart.
