Species · Indiana · BBS 2025 Release · 1966–2024
Chuck-will's-widow Population Trend in Indiana
Chuck-will's-widow in Indiana has collapsed: down 85% on the route-weighted index since 1968.
-85%Since 1968
5Routes In State
42Years
Notable Chuck-will's-widow Trends in Indiana
long arc declinecomputed index
Chuck-will's-widow has collapsed in Indiana: down 85% on the route-weighted index since 1968.
Chuck-will's-widow Population Forecast in Indiana
If the recent trend holds, Chuck-will's-widow in Indiana is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.14). A 5-year backtest shows a typical error of ±295.7%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.1495% range
±295.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.14 |
| 2026 | 0.00 | 0.00 | 0.14 |
| 2027 | 0.00 | 0.00 | 0.14 |
| 2028 | 0.00 | 0.00 | 0.14 |
| 2029 | 0.00 | 0.00 | 0.14 |
Chuck-will's-widow Survey Routes in Indiana
| Cumback | 1 | 1972 | 1966 |
| Indiana Dune | 1 | 1996 | 1993 |
| New Phila | 1 | 2006 | 2005 |
| Corydon | 1 | 2024 | 1966 |
| Georgia | 1 | 2001 | 2001 |
Chuck-will's-widow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.