Which is the best park to see a Wilson's Warbler?
Irazú Volcano National Park
In Irazú Volcano National Park, Costa Rica, about 70% of wildlife watchers report a Wilson's Warbler sighting on a given day, the highest of the 32 parks where we can rate it, from GBIF citizen-science data.
Where else can you see a Wilson's Warbler?
Los Quetzales National Park and more
After Irazú Volcano National Park, the next-best odds of seeing a Wilson's Warbler are in Los Quetzales National Park (Costa Rica, about 50%), Volcán Barú National Park (Panama, about 50%) and El Triunfo (Mexico, about 50%). Outside Central America, the best option is El Triunfo in North America (about 50%).
When is the best time to see a Wilson's Warbler?
It depends on the park
In the top parks, the best months are February–March and October–November in Irazú Volcano National Park (about 90%), February–March, October and December in Los Quetzales National Park (about 70%) and November to January in Volcán Barú National Park (about 80%), as the share of wildlife watchers who report a Wilson's Warbler on a given day. Each park's Wilson's Warbler page has the full month-by-month chart.