Species · BCR 11 · BBS 2025 Release · 1966–2024
Ring-necked Duck In Prairie Potholes
Ring-necked Duck in Prairie Potholes has surged: up 489% on the route-weighted index since 1970.
+489%Since 1970
40Routes In Region
46Years
Notable Signals
long arc increasecomputed index
Ring-necked Duck has surged in Prairie Potholes: up 489% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Ring-necked Duck in Prairie Potholes is projected to fall about 11% by 2029 — from 0.39 in 2024 to a central estimate of 0.35 (95% range 0.12–0.58). A 5-year backtest shows a typical error of ±55.1%, with 100% of held-out values landing inside the 95% band.
-11%Change by 2029
0.35Projected 2029 index
0.12–0.5895% range
±55.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.33 | 0.09 | 0.56 |
| 2026 | 0.33 | 0.10 | 0.57 |
| 2027 | 0.34 | 0.10 | 0.57 |
| 2028 | 0.34 | 0.11 | 0.58 |
| 2029 | 0.35 | 0.12 | 0.58 |
Routes In Prairie Potholes
| Turtle Mtns | NORTH-DAKOTA | 8 | 2024 |
| Denbigh | NORTH-DAKOTA | 7 | 2024 |
| Lakota 2 | NORTH-DAKOTA | 7 | 2023 |
| Chokio | MINNESOTA | 6 | 2009 |
| Courtland | MINNESOTA | 5 | 1991 |
| Gettysburg | SOUTH-DAKOTA | 5 | 2009 |
| Lake Bronson | MINNESOTA | 4 | 2003 |
| Sunburst | MONTANA | 4 | 2000 |
| Braddock | NORTH-DAKOTA | 4 | 2007 |
| Niles | NORTH-DAKOTA | 3 | 2024 |
| Wild Rose | NORTH-DAKOTA | 3 | 2024 |
| Danzig 2 | NORTH-DAKOTA | 3 | 2024 |
| Hay Lake | MONTANA | 2 | 2018 |
| Lake George | NORTH-DAKOTA | 2 | 2005 |
| Danzig | NORTH-DAKOTA | 2 | 2010 |
| Cooperstown | NORTH-DAKOTA | 2 | 2022 |
| Horsehead Lk | NORTH-DAKOTA | 2 | 2024 |
| Lakota | NORTH-DAKOTA | 2 | 2008 |
| Webster | NORTH-DAKOTA | 2 | 2022 |
| Carpio | NORTH-DAKOTA | 2 | 2013 |
| Powers Lake | NORTH-DAKOTA | 2 | 2007 |
| Sheyenne Lk | NORTH-DAKOTA | 2 | 2016 |
| Britton | SOUTH-DAKOTA | 2 | 2023 |
| Appleton | MINNESOTA | 1 | 2012 |
| Glyndon | MINNESOTA | 1 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.