Species · Minnesota · BBS 2025 Release · 1966–2024
Ring-necked Duck Population Trend in Minnesota
Ring-necked Duck in Minnesota has surged: up 91% on the route-weighted index since 1970.
+91%Since 1970
38Routes In State
48Years
Notable Ring-necked Duck Trends in Minnesota
long arc increasecomputed index
Ring-necked Duck has surged in Minnesota: up 91% on the route-weighted index since 1970.
Ring-necked Duck Population Forecast in Minnesota
If the recent trend holds, Ring-necked Duck in Minnesota is projected to rise about 79% by 2029 — from 0.18 in 2024 to a central estimate of 0.33 (95% range 0.10–0.55). A 5-year backtest shows a typical error of ±99%, with 80% of held-out values landing inside the 95% band.
+79%Change by 2029
0.33Projected 2029 index
0.10–0.5595% range
±99%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.31 | 0.08 | 0.54 |
| 2026 | 0.31 | 0.09 | 0.54 |
| 2027 | 0.32 | 0.09 | 0.54 |
| 2028 | 0.32 | 0.10 | 0.55 |
| 2029 | 0.33 | 0.10 | 0.55 |
Ring-necked Duck Survey Routes in Minnesota
| Knapp | 12 | 2007 | 1983 |
| Blackduck | 10 | 2022 | 2010 |
| Chokio | 6 | 2009 | 2009 |
| Courtland | 5 | 1991 | 1991 |
| Pine River | 5 | 2024 | 1972 |
| Lude | 5 | 2002 | 2002 |
| Glenwood | 5 | 2018 | 1996 |
| Sherburne Nr | 4 | 2022 | 1993 |
| Princeton | 4 | 2004 | 1994 |
| Backus | 4 | 2001 | 1972 |
| Debs | 4 | 1972 | 1972 |
| Lake Bronson | 4 | 2003 | 2003 |
| Cass Lake | 3 | 2016 | 1988 |
| Nebish | 3 | 2023 | 1988 |
| Edwards | 3 | 1987 | 1975 |
| Sawbill Lndg | 3 | 2016 | 2016 |
| Hart Lake | 3 | 2022 | 1992 |
| Sawbill Camp | 3 | 2024 | 1993 |
| Crane Lake | 2 | 2022 | 1970 |
| Brainerd | 2 | 2008 | 2008 |
| Babbitt | 2 | 2002 | 2002 |
| Tamarac Nwr | 1 | 2019 | 1992 |
| St Stephen | 1 | 1968 | 1968 |
| Appleton | 1 | 2012 | 2012 |
| Cromwell | 1 | 2024 | 2024 |
Ring-necked Duck Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.