Species · BCR 23 · BBS 2025 Release · 1966–2024
Prothonotary Warbler In Prairie Hardwood Transition
Prothonotary Warbler in Prairie Hardwood Transition has edged up: up 24% on the route-weighted index since 1981.
+24%Since 1981
21Routes In Region
43Years
Notable Signals
No notable trend signals for Prothonotary Warbler in Prairie Hardwood Transition. See the full index history below.
Forecast
If the recent trend holds, Prothonotary Warbler in Prairie Hardwood Transition is projected to stay roughly flat through 2029, near 0.02 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±45.5%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.02Projected 2029 index
0.00–0.0495% range
±45.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.02 | 0.00 | 0.04 |
| 2026 | 0.02 | 0.00 | 0.04 |
| 2027 | 0.02 | 0.00 | 0.04 |
| 2028 | 0.02 | 0.00 | 0.04 |
| 2029 | 0.02 | 0.00 | 0.04 |
Routes In Prairie Hardwood Transition
| Lagrange | INDIANA | 2 | 2019 |
| Homer | MICHIGAN | 2 | 2021 |
| Rochester | MICHIGAN | 2 | 2016 |
| Esdaile | WISCONSIN | 2 | 2024 |
| Knox | INDIANA | 1 | 2019 |
| Middlebury | INDIANA | 1 | 2018 |
| Indiana Dune | INDIANA | 1 | 2014 |
| Nashville | MICHIGAN | 1 | 1996 |
| Coopersville | MICHIGAN | 1 | 2006 |
| Belding | MICHIGAN | 1 | 2002 |
| Monterey | MICHIGAN | 1 | 2015 |
| Mottville | MICHIGAN | 1 | 2023 |
| Prattville | MICHIGAN | 1 | 2011 |
| Belding 2 | MICHIGAN | 1 | 2006 |
| New Buffalo | MICHIGAN | 1 | 2001 |
| Almena | MICHIGAN | 1 | 2013 |
| Caledonia 2 | MINNESOTA | 1 | 2023 |
| Sherburne Nr | MINNESOTA | 1 | 1992 |
| Whitewater 2 | MINNESOTA | 1 | 2018 |
| Limestone | OHIO | 1 | 2007 |
| Mather | WISCONSIN | 1 | 2013 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.