Species · BCR 24 · BBS 2025 Release · 1966–2024
Common Nighthawk In Central Hardwoods
Common Nighthawk in Central Hardwoods has collapsed: down 95% on the route-weighted index since 1968.
-95%Since 1968
70Routes In Region
57Years
Notable Signals
long arc declinecomputed index
Common Nighthawk has collapsed in Central Hardwoods: down 95% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Common Nighthawk in Central Hardwoods is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.12). A 5-year backtest shows a typical error of ±214.7%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.1295% range
±214.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.12 |
| 2026 | 0.00 | 0.00 | 0.12 |
| 2027 | 0.00 | 0.00 | 0.12 |
| 2028 | 0.00 | 0.00 | 0.12 |
| 2029 | 0.00 | 0.00 | 0.12 |
Routes In Central Hardwoods
| Rome | OHIO | 5 | 1977 |
| Drakesboro | KENTUCKY | 3 | 1991 |
| Boxville | KENTUCKY | 3 | 1971 |
| Marshfield | MISSOURI | 3 | 2021 |
| Valhermoso Spgs | ALABAMA | 2 | 1967 |
| Levee | KENTUCKY | 2 | 1968 |
| Mcbrayer | KENTUCKY | 2 | 1988 |
| Plum | KENTUCKY | 2 | 1982 |
| Cassville | MISSOURI | 2 | 1983 |
| Mincy | MISSOURI | 2 | 2018 |
| Baron | OKLAHOMA | 2 | 2021 |
| Belotes Bend | TENNESSEE | 2 | 1992 |
| Bradyville | TENNESSEE | 2 | 2014 |
| Hillsboro | ALABAMA | 1 | 1987 |
| Carter Grove | ALABAMA | 1 | 2023 |
| Zion | ARKANSAS | 1 | 2011 |
| Fulton | ARKANSAS | 1 | 2000 |
| Compton | ARKANSAS | 1 | 2018 |
| Avoca | ARKANSAS | 1 | 1981 |
| Russell | ARKANSAS | 1 | 2019 |
| Marshall | ARKANSAS | 1 | 2012 |
| Birds | ILLINOIS | 1 | 1997 |
| Sandusky | ILLINOIS | 1 | 1993 |
| Brazil | INDIANA | 1 | 1992 |
| Celestine | INDIANA | 1 | 1987 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.