Species · Wisconsin · BBS 2025 Release · 1966–2024
Rose-breasted Grosbeak Population Trend in Wisconsin
Rose-breasted Grosbeak in Wisconsin has held roughly steady: up 7% on the route-weighted index since 1968.
+7%Since 1968
98Routes In State
58Years
Notable Rose-breasted Grosbeak Trends in Wisconsin
No notable trend signals for Rose-breasted Grosbeak in Wisconsin. See the full index history below.
Rose-breasted Grosbeak Population Forecast in Wisconsin
If the recent trend holds, Rose-breasted Grosbeak in Wisconsin is projected to stay roughly flat through 2029, near 6.8 (95% range 4.8–8.8). A 5-year backtest shows a typical error of ±3.5%, with 100% of held-out values landing inside the 95% band.
+0%Change by 2029
6.8Projected 2029 index
4.8–8.895% range
±3.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 6.9 | 4.9 | 8.9 |
| 2026 | 6.9 | 4.9 | 8.9 |
| 2027 | 6.8 | 4.8 | 8.8 |
| 2028 | 6.8 | 4.8 | 8.8 |
| 2029 | 6.8 | 4.8 | 8.8 |
Rose-breasted Grosbeak Survey Routes in Wisconsin
| Popple River | 27 | 2024 | 1966 |
| Gilman | 21 | 2024 | 1966 |
| Weyerhauser | 19 | 2024 | 1966 |
| Holway | 19 | 1989 | 1967 |
| Saxeville | 19 | 2024 | 1966 |
| Viroqua | 15 | 2024 | 1966 |
| Cavour | 15 | 2024 | 1998 |
| Grand View | 13 | 2024 | 1966 |
| Amberg | 13 | 2024 | 1980 |
| N Freedom | 13 | 2024 | 1966 |
| Mellen | 13 | 2024 | 1998 |
| Merrill | 12 | 2024 | 1966 |
| Wausaukee | 12 | 2024 | 1980 |
| Land O' Lakes 2 | 12 | 2024 | 2018 |
| Conover | 12 | 2024 | 1998 |
| Gresham | 12 | 2024 | 1998 |
| Loraine | 11 | 2021 | 1966 |
| N Andover | 11 | 2024 | 1971 |
| Wiota | 11 | 2024 | 1966 |
| Rib Lake | 10 | 2024 | 1966 |
| Esdaile | 10 | 2024 | 1966 |
| Hatfield | 10 | 1998 | 1970 |
| Prairie Du Chien | 10 | 2024 | 1998 |
| Iron River | 9 | 2024 | 1967 |
| Couderay | 9 | 2019 | 1969 |
Rose-breasted Grosbeak Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.