Which is the best park to see a European Serin?
Sierra Nevada National Park
In Sierra Nevada National Park, Spain, about 60% of wildlife watchers report a European Serin sighting on a given day, the highest of the 16 parks where we can rate it, from GBIF citizen-science data.
Where else can you see a European Serin?
Monfragüe National Park and more
After Sierra Nevada National Park, the next-best odds of seeing a European Serin are in Monfragüe National Park (Spain, about 50%), Sierra de Guadarrama National Park (Spain, about 40%) and Picos de Europa National Park (Spain, about 40%).
When is the best time to see a European Serin?
It depends on the park
In the top parks, the best months are March and May in Sierra Nevada National Park (about 80%), February and March in Monfragüe National Park (about 70%) and March and May–June in Sierra de Guadarrama National Park (about 60%), as the share of wildlife watchers who report a European Serin on a given day. Each park's European Serin page has the full month-by-month chart.