Where to see
Phylloscopus trochilus
Biebrza National Park leads · 7 parks ranked by real sighting rates
Share of wildlife watchers reporting a Willow Warbler during a day in the park, from citizen-science data (GBIF)
| # | Park | Country | Sighting |
|---|---|---|---|
| 1 | Biebrza National Park | 🇵🇱 Poland | |
| 2 | Cairngorms National Park | 🇬🇧 United Kingdom | |
| 3 | Tatra National Park | 🇸🇰 Slovakia | |
| 4 | Białowieża National Park | 🇵🇱 Poland | |
| 5 | Snowdonia National Park | 🇬🇧 United Kingdom | |
| 6 | uMkhuze Game Reserve | 🇿🇦 South Africa | |
| 7 | Bavarian Forest National Park | 🇩🇪 Germany |
Biebrza National Park
In Biebrza National Park, Poland, about 50% of wildlife watchers report a Willow Warbler sighting on a given day, the highest of the 7 parks where we can rate it, from GBIF citizen-science data.
Cairngorms National Park and more
After Biebrza National Park, the next-best odds of seeing a Willow Warbler are in Cairngorms National Park (United Kingdom, about 50%), Tatra National Park (Slovakia, about 30%) and Białowieża National Park (Poland, about 30%). Outside Europe, the best option is uMkhuze Game Reserve in Africa (about 20%).
It depends on the park
In the top parks, the best months are May in Biebrza National Park (about 80%), May and June in Cairngorms National Park (about 80%) and June in Tatra National Park (about 60%), as the share of wildlife watchers who report a Willow Warbler on a given day. Each park's Willow Warbler page has the full month-by-month chart.
