Which is the best park to see a Chestnut-sided Warbler?
Arenal Volcano National Park
In Arenal Volcano National Park, Costa Rica, about 50% of wildlife watchers report a Chestnut-sided Warbler sighting on a given day, the highest of the 24 parks where we can rate it, from GBIF citizen-science data.
Where else can you see a Chestnut-sided Warbler?
Riding Mountain National Park and more
After Arenal Volcano National Park, the next-best odds of seeing a Chestnut-sided Warbler are in Riding Mountain National Park (Canada, about 40%), Tenorio Volcano National Park (Costa Rica, about 40%) and Point Pelee National Park (Canada, about 40%). Outside Central America, the best option is Riding Mountain National Park in North America (about 40%).
When is the best time to see a Chestnut-sided Warbler?
It depends on the park
In the top parks, the best months are February in Arenal Volcano National Park (about 70%), June in Riding Mountain National Park (about 80%) and February and December in Tenorio Volcano National Park (about 60%), as the share of wildlife watchers who report a Chestnut-sided Warbler on a given day. Each park's Chestnut-sided Warbler page has the full month-by-month chart.