Species · Indiana · BBS 2025 Release · 1966–2024
Rose-breasted Grosbeak Population Trend in Indiana
Rose-breasted Grosbeak in Indiana has surged: up 353% on the route-weighted index since 1970.
+353%Since 1970
53Routes In State
56Years
Notable Rose-breasted Grosbeak Trends in Indiana
long arc increasecomputed index
Rose-breasted Grosbeak has surged in Indiana: up 353% on the route-weighted index since 1970.
Rose-breasted Grosbeak Population Forecast in Indiana
If the recent trend holds, Rose-breasted Grosbeak in Indiana is projected to rise about 160% by 2029 — from 0.29 in 2024 to a central estimate of 0.76 (95% range 0.34–1.2). A 5-year backtest shows a typical error of ±108.2%, with 40% of held-out values landing inside the 95% band.
+160%Change by 2029
0.76Projected 2029 index
0.34–1.295% range
±108.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.73 | 0.32 | 1.1 |
| 2026 | 0.74 | 0.32 | 1.1 |
| 2027 | 0.74 | 0.33 | 1.2 |
| 2028 | 0.75 | 0.34 | 1.2 |
| 2029 | 0.76 | 0.34 | 1.2 |
Rose-breasted Grosbeak Survey Routes in Indiana
| Jamestown | 5 | 2024 | 1988 |
| Packertown | 4 | 2004 | 1973 |
| Berne | 3 | 2023 | 1981 |
| Wallace | 3 | 2024 | 2000 |
| Knox | 2 | 2023 | 1981 |
| Kewanna | 2 | 2021 | 1981 |
| Fowler | 2 | 2021 | 1970 |
| Galveston | 2 | 2021 | 1981 |
| Thorntown | 2 | 2022 | 1983 |
| Wabash | 2 | 2023 | 1981 |
| Spencer | 2 | 2016 | 1979 |
| Clear Spring | 2 | 2023 | 2017 |
| Lagrange | 2 | 2019 | 2000 |
| Frankfort | 2 | 2021 | 2001 |
| Kankakee Sands | 2 | 2018 | 2000 |
| Lakeville | 2 | 2024 | 1996 |
| Gary | 1 | 1991 | 1981 |
| Hebron | 1 | 2021 | 1970 |
| South Bend | 1 | 1990 | 1968 |
| Middlebury | 1 | 2024 | 1992 |
| Columbia Cty | 1 | 2013 | 1985 |
| Ellis | 1 | 2024 | 1966 |
| W Lafayette | 1 | 2021 | 1988 |
| Monticello | 1 | 2023 | 1981 |
| Tipton | 1 | 1992 | 1982 |
Rose-breasted Grosbeak Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.