Species · Indiana · BBS 2025 Release · 1966–2024
Broad-winged Hawk Population Trend in Indiana
Broad-winged Hawk in Indiana has fallen sharply: down 72% on the route-weighted index since 1969.
-72%Since 1969
16Routes In State
41Years
Notable Broad-winged Hawk Trends in Indiana
long arc declinecomputed index
Broad-winged Hawk has fallen sharply in Indiana: down 72% on the route-weighted index since 1969.
Broad-winged Hawk Population Forecast in Indiana
If the recent trend holds, Broad-winged Hawk in Indiana is projected to stay roughly flat through 2028, near 0.02 (95% range 0.00–0.09). A 5-year backtest shows a typical error of ±47.5%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.02Projected 2028 index
0.00–0.0995% range
±47.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.02 | 0.00 | 0.09 |
| 2025 | 0.02 | 0.00 | 0.09 |
| 2026 | 0.02 | 0.00 | 0.09 |
| 2027 | 0.02 | 0.00 | 0.09 |
| 2028 | 0.02 | 0.00 | 0.09 |
Broad-winged Hawk Survey Routes in Indiana
| Vevay | 2 | 1969 | 1966 |
| Hoosier | 2 | 2023 | 1990 |
| Spencer | 2 | 1992 | 1992 |
| Cumback | 1 | 1997 | 1982 |
| Indian Spgs | 1 | 1993 | 1993 |
| Celestine | 1 | 2018 | 1980 |
| Clear Spring | 1 | 2007 | 1985 |
| New Phila | 1 | 2003 | 1986 |
| Columbia Cty | 1 | 2004 | 2004 |
| Corydon | 1 | 2001 | 1978 |
| Indiana Dune | 1 | 2007 | 2007 |
| Georgia | 1 | 2009 | 2000 |
| Berne | 1 | 1976 | 1976 |
| Anderson | 1 | 2005 | 2005 |
| Belmont | 1 | 2016 | 1998 |
| Milroy | 1 | 1982 | 1969 |
Broad-winged Hawk Population Trend in Other States
alabamaarkansasconnecticutdelawarefloridageorgiaillinoisiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.