Species · BCR 24 · BBS 2025 Release · 1966–2024
Black-billed Cuckoo In Central Hardwoods
Black-billed Cuckoo in Central Hardwoods has declined: down 46% on the route-weighted index since 1968.
-46%Since 1968
60Routes In Region
54Years
Notable Signals
No notable trend signals for Black-billed Cuckoo in Central Hardwoods. See the full index history below.
Forecast
If the recent trend holds, Black-billed Cuckoo in Central Hardwoods 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 ±168%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.1495% range
±168%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 |
Routes In Central Hardwoods
| Clementine | MISSOURI | 4 | 1986 |
| Marshfield | MISSOURI | 3 | 2022 |
| Spencer | INDIANA | 2 | 2009 |
| Cumback | INDIANA | 2 | 1983 |
| Millersburg | INDIANA | 2 | 1981 |
| Dixon | KENTUCKY | 2 | 2007 |
| Barks | MISSOURI | 2 | 1995 |
| Bland | MISSOURI | 2 | 2013 |
| Rome | OHIO | 2 | 1997 |
| Glen | TENNESSEE | 2 | 1972 |
| Rudy | ARKANSAS | 1 | 2012 |
| Birds | ILLINOIS | 1 | 1992 |
| Bremen | ILLINOIS | 1 | 1996 |
| Delwood | ILLINOIS | 1 | 1986 |
| York | ILLINOIS | 1 | 2003 |
| Pimento | INDIANA | 1 | 1996 |
| Brazil | INDIANA | 1 | 2003 |
| Belmont | INDIANA | 1 | 2017 |
| Azalia | INDIANA | 1 | 1989 |
| Indian Spgs | INDIANA | 1 | 2022 |
| Celestine | INDIANA | 1 | 2021 |
| Clear Spring | INDIANA | 1 | 1994 |
| New Phila | INDIANA | 1 | 1984 |
| Corydon | INDIANA | 1 | 2000 |
| Vevay | INDIANA | 1 | 1997 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.