Which is the best park to see a Spongy Moth?
Biebrza National Park
In Biebrza National Park, Poland, about 40% of wildlife watchers report a Spongy Moth sighting on a given day, the highest of the 5 parks where we can rate it, from GBIF citizen-science data.
Where else can you see a Spongy Moth?
Shenandoah National Park and more
After Biebrza National Park, the next-best odds of seeing a Spongy Moth are in Shenandoah National Park (United States, about 40%), Cévennes National Park (France, about 20%) and Aigüestortes National Park (Spain, about 20%). Outside Europe, the best option is Shenandoah National Park in North America (about 40%).
When is the best time to see a Spongy Moth?
It depends on the park
In the top parks, the best months are June in Biebrza National Park (about 70%), June in Shenandoah National Park (about 60%) and June in Cévennes National Park (about 40%), as the share of wildlife watchers who report a Spongy Moth on a given day. Each park's Spongy Moth page has the full month-by-month chart.