Species · Wisconsin · BBS 2025 Release · 1966–2024
Northern Pintail Population Trend in Wisconsin
Northern Pintail in Wisconsin has fallen sharply: down 51% on the route-weighted index since 1968.
-51%Since 1968
14Routes In State
20Years
Notable Northern Pintail Trends in Wisconsin
No notable trend signals for Northern Pintail in Wisconsin. See the full index history below.
Northern Pintail Population Forecast in Wisconsin
If the recent trend holds, Northern Pintail in Wisconsin is projected to stay roughly flat through 2007, near 0.00 (95% range 0.00–0.08). A 5-year backtest shows a typical error of ±132.1%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2007
0.00Projected 2007 index
0.00–0.0895% range
±132.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2003 | 0.00 | 0.00 | 0.08 |
| 2004 | 0.00 | 0.00 | 0.08 |
| 2005 | 0.00 | 0.00 | 0.08 |
| 2006 | 0.00 | 0.00 | 0.08 |
| 2007 | 0.00 | 0.00 | 0.08 |
Northern Pintail Survey Routes in Wisconsin
| Raymond | 2 | 1973 | 1973 |
| Loraine | 2 | 1976 | 1976 |
| Casco | 2 | 1996 | 1996 |
| Eden | 2 | 1966 | 1966 |
| Rolling Pr | 2 | 1980 | 1966 |
| Pt Washingtn | 2 | 2002 | 1983 |
| Paris | 1 | 1978 | 1978 |
| Wis Rapids | 1 | 1989 | 1989 |
| Oconto Falls | 1 | 1992 | 1985 |
| Manawa | 1 | 1981 | 1981 |
| Omro | 1 | 1984 | 1968 |
| Manitowoc | 1 | 1974 | 1974 |
| Beaver Dam | 1 | 1978 | 1973 |
| Washington I | 1 | 1977 | 1967 |
Northern Pintail Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.