Which is the best park to see a Quiller?
Denali National Park
In Denali National Park, United States, about 50% of wildlife watchers report a Quiller sighting on a given day, the highest of the 7 parks where we can rate it, from GBIF citizen-science data.
Where else can you see a Quiller?
Acadia National Park and more
After Denali National Park, the next-best odds of seeing a Quiller are in Acadia National Park (United States, about 40%), Katmai National Park (United States, about 30%) and Elk Island National Park (Canada, about 30%).
When is the best time to see a Quiller?
It depends on the park
In the top parks, the best months are May in Denali National Park (about 80%) and November in Acadia National Park (about 70%), as the share of wildlife watchers who report a Quiller on a given day. Each park's Quiller page has the full month-by-month chart.