Species · Wisconsin · BBS 2025 Release · 1966–2024
Pine Siskin Population Trend in Wisconsin
Pine Siskin in Wisconsin has collapsed: down 80% on the route-weighted index since 1969.
-80%Since 1969
43Routes In State
50Years
Notable Pine Siskin Trends in Wisconsin
long arc declinecomputed index
Pine Siskin has collapsed in Wisconsin: down 80% on the route-weighted index since 1969.
Pine Siskin Population Forecast in Wisconsin
If the recent trend holds, Pine Siskin in Wisconsin is projected to stay roughly flat through 2029, near 0.10 (95% range 0.00–0.53). A 5-year backtest shows a typical error of ±420.9%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.10Projected 2029 index
0.00–0.5395% range
±420.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.11 | 0.00 | 0.54 |
| 2026 | 0.11 | 0.00 | 0.53 |
| 2027 | 0.11 | 0.00 | 0.53 |
| 2028 | 0.11 | 0.00 | 0.53 |
| 2029 | 0.10 | 0.00 | 0.53 |
Pine Siskin Survey Routes in Wisconsin
| Phillips | 21 | 1995 | 1988 |
| Casco | 16 | 1988 | 1988 |
| Amnicon Falls | 7 | 2001 | 2001 |
| Rhinelander | 4 | 2019 | 2002 |
| Eagle River | 3 | 2022 | 1971 |
| Washington I | 3 | 2018 | 1994 |
| Dresser | 2 | 2021 | 2012 |
| Irma | 2 | 2018 | 1969 |
| Hollister | 2 | 1996 | 1993 |
| Cadott | 2 | 2017 | 2017 |
| Stratford | 2 | 2016 | 2015 |
| Mellen | 2 | 2015 | 2012 |
| Chaffey | 1 | 2015 | 1970 |
| Iron River | 1 | 2016 | 1972 |
| Minong | 1 | 1988 | 1970 |
| Grand View | 1 | 2018 | 1969 |
| Bayfield | 1 | 2019 | 1969 |
| Shanagolden | 1 | 2018 | 1978 |
| Montreal | 1 | 1986 | 1968 |
| Land O Lakes | 1 | 2008 | 1969 |
| Union Twp | 1 | 2012 | 1973 |
| Loraine | 1 | 1966 | 1966 |
| Couderay | 1 | 2013 | 1973 |
| Exeland | 1 | 1978 | 1978 |
| Rib Lake | 1 | 2018 | 1981 |
Pine Siskin Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.