Species · Indiana · BBS 2025 Release · 1966–2024
Blue-winged Warbler Population Trend in Indiana
Blue-winged Warbler in Indiana has edged down: down 18% on the route-weighted index since 1968.
-18%Since 1968
20Routes In State
57Years
Notable Blue-winged Warbler Trends in Indiana
No notable trend signals for Blue-winged Warbler in Indiana. See the full index history below.
Blue-winged Warbler Population Forecast in Indiana
If the recent trend holds, Blue-winged Warbler in Indiana is projected to stay roughly flat through 2029, near 0.14 (95% range 0.00–0.32). A 5-year backtest shows a typical error of ±238.7%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.14Projected 2029 index
0.00–0.3295% range
±238.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.14 | 0.00 | 0.33 |
| 2026 | 0.14 | 0.00 | 0.33 |
| 2027 | 0.14 | 0.00 | 0.33 |
| 2028 | 0.14 | 0.00 | 0.33 |
| 2029 | 0.14 | 0.00 | 0.32 |
Blue-winged Warbler Survey Routes in Indiana
| Georgia | 3 | 2021 | 2001 |
| New Phila | 2 | 2023 | 1982 |
| Hoosier | 1 | 2019 | 1990 |
| Indiana Dune | 1 | 2001 | 1994 |
| Middlebury | 1 | 2000 | 2000 |
| Packertown | 1 | 1993 | 1967 |
| Ellis | 1 | 2006 | 1971 |
| Swayzee | 1 | 2001 | 2000 |
| Belmont | 1 | 2022 | 1983 |
| Azalia | 1 | 1987 | 1982 |
| Brookville | 1 | 2023 | 2005 |
| Cumback | 1 | 1984 | 1975 |
| Indian Spgs | 1 | 2017 | 1983 |
| Clear Spring | 1 | 2024 | 1983 |
| Corydon | 1 | 2023 | 1966 |
| Vevay | 1 | 2021 | 1970 |
| Scottsburg | 1 | 2006 | 2006 |
| Cross Plains | 1 | 2023 | 2000 |
| Lakeville | 1 | 2024 | 1999 |
| Packertown 2 | 1 | 2013 | 2006 |
Blue-winged Warbler Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.