Species · BCR 11 · BBS 2025 Release · 1966–2024
Ruddy Duck In Prairie Potholes
Ruddy Duck in Prairie Potholes has surged: up 154% on the route-weighted index since 1969.
+154%Since 1969
70Routes In Region
57Years
Notable Signals
long arc increasecomputed index
Ruddy Duck has surged in Prairie Potholes: up 154% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Ruddy Duck in Prairie Potholes is projected to stay roughly flat through 2029, near 3.7 (95% range 1.2–6.1). A 5-year backtest shows a typical error of ±20.9%, with 100% of held-out values landing inside the 95% band.
+5%Change by 2029
3.7Projected 2029 index
1.2–6.195% range
±20.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.5 | 1.1 | 6.0 |
| 2026 | 3.6 | 1.1 | 6.0 |
| 2027 | 3.6 | 1.2 | 6.1 |
| 2028 | 3.6 | 1.2 | 6.1 |
| 2029 | 3.7 | 1.2 | 6.1 |
Routes In Prairie Potholes
| Braddock | NORTH-DAKOTA | 90 | 2022 |
| Wimbledon | NORTH-DAKOTA | 72 | 2024 |
| Buchanan | NORTH-DAKOTA | 36 | 2024 |
| Wild Rose | NORTH-DAKOTA | 36 | 2024 |
| Horsehead Lk | NORTH-DAKOTA | 32 | 2024 |
| Edgeley | NORTH-DAKOTA | 29 | 2023 |
| Lakota 2 | NORTH-DAKOTA | 28 | 2024 |
| Westby | MONTANA | 25 | 2023 |
| Lakota | NORTH-DAKOTA | 21 | 2009 |
| Forbes | SOUTH-DAKOTA | 21 | 2021 |
| Broadland | SOUTH-DAKOTA | 20 | 2009 |
| Long Lake | SOUTH-DAKOTA | 16 | 2019 |
| Crow Creek | SOUTH-DAKOTA | 13 | 2010 |
| White Lake | SOUTH-DAKOTA | 11 | 2011 |
| Webster | NORTH-DAKOTA | 8 | 2024 |
| Niles | NORTH-DAKOTA | 8 | 2024 |
| Stanley | NORTH-DAKOTA | 8 | 2013 |
| Danzig 2 | NORTH-DAKOTA | 8 | 2024 |
| Chokio | MINNESOTA | 4 | 2019 |
| Tenney | MINNESOTA | 4 | 2014 |
| Shelby | MONTANA | 4 | 2018 |
| Walcott | NORTH-DAKOTA | 4 | 2001 |
| Lennox | SOUTH-DAKOTA | 4 | 2008 |
| Raymond | SOUTH-DAKOTA | 4 | 2021 |
| Sunburst | MONTANA | 3 | 2002 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.