Where to see
Mergus merganser
Katmai National Park leads · 13 parks ranked by real sighting rates
Share of wildlife watchers reporting a Common Merganser during a day in the park, from citizen-science data (GBIF)
| # | Park | Country | Sighting |
|---|---|---|---|
| 1 | Katmai National Park | 🇺🇸 United States | |
| 2 | Isle Royale National Park | 🇺🇸 United States | |
| 3 | Plitvice Lakes National Park | 🇭🇷 Croatia | |
| 4 | Grand Teton National Park | 🇺🇸 United States | |
| 5 | Yellowstone National Park | 🇺🇸 United States | |
| 6 | Glacier National Park | 🇺🇸 United States | |
| 7 | Great Bear Rainforest | 🇨🇦 Canada | |
| 8 | Pacific Rim National Park Reserve | 🇨🇦 Canada | |
| 9 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 10 | Jasper National Park | 🇨🇦 Canada | |
| 11 | Triglav National Park | 🇸🇮 Slovenia | |
| 12 | Voyageurs National Park | 🇺🇸 United States | |
| 13 | Olympic National Park | 🇺🇸 United States |
Katmai National Park
In Katmai National Park, United States, about 70% of wildlife watchers report a Common Merganser sighting on a given day, the highest of the 13 parks where we can rate it, from GBIF citizen-science data.
Isle Royale National Park and more
After Katmai National Park, the next-best odds of seeing a Common Merganser are in Isle Royale National Park (United States, about 60%), Plitvice Lakes National Park (Croatia, about 40%) and Grand Teton National Park (United States, about 40%). Outside North America, the best option is Plitvice Lakes National Park in Europe (about 40%).
It depends on the park
In the top parks, the best months are July and September in Katmai National Park (about 80%) and August and November in Plitvice Lakes National Park (about 60%), as the share of wildlife watchers who report a Common Merganser on a given day. Each park's Common Merganser page has the full month-by-month chart.
