Which is the best park to see an Ashy Woodswallow?
Khao Yai National Park
In Khao Yai National Park, Thailand, about 50% of wildlife watchers report an Ashy Woodswallow sighting on a given day, the highest of the 8 parks where we can rate it, from GBIF citizen-science data.
Where else can you see an Ashy Woodswallow?
Sundarbans National Park and more
After Khao Yai National Park, the next-best odds of seeing an Ashy Woodswallow are in Sundarbans National Park (India, about 40%), Kaeng Krachan National Park (Thailand, about 30%) and Cat Tien National Park (Vietnam, about 20%). Outside Southeast Asia, the best option is Sundarbans National Park in Asia (about 40%).
When is the best time to see an Ashy Woodswallow?
It depends on the park
In the top parks, the best months are May and August in Khao Yai National Park (about 70%), July in Sundarbans National Park (about 70%) and November in Kaeng Krachan National Park (about 50%), as the share of wildlife watchers who report an Ashy Woodswallow on a given day. Each park's Ashy Woodswallow page has the full month-by-month chart.