Which is the best park to see a Rufous Hornero?
Iberá National Park
In Iberá National Park, Argentina, about 80% of wildlife watchers report a Rufous Hornero sighting on a given day, the highest of the 12 parks where we can rate it, from GBIF citizen-science data.
Where else can you see a Rufous Hornero?
El Palmar National Park and more
After Iberá National Park, the next-best odds of seeing a Rufous Hornero are in El Palmar National Park (Argentina, about 70%), Chapada dos Guimarães National Park (Brazil, about 70%) and El Impenetrable National Park (Argentina, about 60%).
When is the best time to see a Rufous Hornero?
It depends on the park
In the top parks, the best months are December in Iberá National Park (about 90%), February–March, July, September and December in El Palmar National Park (about 80%) and June in Chapada dos Guimarães National Park (about 80%), as the share of wildlife watchers who report a Rufous Hornero on a given day. Each park's Rufous Hornero page has the full month-by-month chart.