Species · BCR 23 · BBS 2025 Release · 1966–2024
Common Gallinule In Prairie Hardwood Transition
Common Gallinule in Prairie Hardwood Transition has collapsed: down 75% on the route-weighted index since 1968.
-75%Since 1968
16Routes In Region
27Years
Notable Signals
No notable trend signals for Common Gallinule in Prairie Hardwood Transition. See the full index history below.
Forecast
If the recent trend holds, Common Gallinule in Prairie Hardwood Transition is projected to stay roughly flat through 2018, near 0.00 (95% range 0.00–0.05). A 5-year backtest shows a typical error of ±60.7%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2018
0.00Projected 2018 index
0.00–0.0595% range
±60.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2014 | 0.00 | 0.00 | 0.05 |
| 2015 | 0.00 | 0.00 | 0.05 |
| 2016 | 0.00 | 0.00 | 0.05 |
| 2017 | 0.00 | 0.00 | 0.05 |
| 2018 | 0.00 | 0.00 | 0.05 |
Routes In Prairie Hardwood Transition
| North Branch | MICHIGAN | 2 | 1988 |
| Fall River | WISCONSIN | 2 | 1975 |
| Bravo | MICHIGAN | 1 | 1983 |
| Nashville | MICHIGAN | 1 | 1981 |
| Belding | MICHIGAN | 1 | 1988 |
| Galesburg | MICHIGAN | 1 | 2013 |
| Chippewa Lk. | MICHIGAN | 1 | 2000 |
| Money Creek | MINNESOTA | 1 | 1984 |
| Princeton | MINNESOTA | 1 | 2006 |
| Lockport | OHIO | 1 | 1972 |
| Graytown | OHIO | 1 | 1975 |
| Oconto Falls | WISCONSIN | 1 | 1992 |
| Omro | WISCONSIN | 1 | 1986 |
| Beaver Dam | WISCONSIN | 1 | 1978 |
| Hebron | WISCONSIN | 1 | 1983 |
| Paris | WISCONSIN | 1 | 1984 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.