Species · BCR 23 · BBS 2025 Release · 1966–2024
Alder Flycatcher In Prairie Hardwood Transition
Alder Flycatcher in Prairie Hardwood Transition has increased: up 35% on the route-weighted index since 1968.
+35%Since 1968
113Routes In Region
58Years
Notable Signals
No notable trend signals for Alder Flycatcher in Prairie Hardwood Transition. See the full index history below.
Forecast
If the recent trend holds, Alder Flycatcher in Prairie Hardwood Transition is projected to rise about 161% by 2029 — from 0.28 in 2024 to a central estimate of 0.74 (95% range 0.38–1.1). A 5-year backtest shows a typical error of ±102.3%, with 20% of held-out values landing inside the 95% band.
+161%Change by 2029
0.74Projected 2029 index
0.38–1.195% range
±102.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.72 | 0.36 | 1.1 |
| 2026 | 0.73 | 0.37 | 1.1 |
| 2027 | 0.73 | 0.37 | 1.1 |
| 2028 | 0.74 | 0.38 | 1.1 |
| 2029 | 0.74 | 0.38 | 1.1 |
Routes In Prairie Hardwood Transition
| Merrill | WISCONSIN | 6 | 2024 |
| Gilmanton | WISCONSIN | 5 | 2010 |
| Evergreen | MINNESOTA | 4 | 2024 |
| Brook Park | MINNESOTA | 4 | 2024 |
| Loraine | WISCONSIN | 4 | 2021 |
| Grimms | WISCONSIN | 4 | 2021 |
| Omro | WISCONSIN | 3 | 2001 |
| Buena Vista | WISCONSIN | 3 | 2022 |
| Big Rapids | MICHIGAN | 2 | 1990 |
| St Charles | MICHIGAN | 2 | 1986 |
| No Bradley | MICHIGAN | 2 | 1994 |
| Fowlerville | MICHIGAN | 2 | 2018 |
| Adair | MICHIGAN | 2 | 1992 |
| Chippewa Lk. | MICHIGAN | 2 | 2023 |
| Millville | MINNESOTA | 2 | 2017 |
| Knapp | MINNESOTA | 2 | 2004 |
| Dresser | WISCONSIN | 2 | 2023 |
| Cumberland | WISCONSIN | 2 | 2024 |
| Weyerhauser | WISCONSIN | 2 | 2024 |
| Holway | WISCONSIN | 2 | 1988 |
| Hatfield | WISCONSIN | 2 | 1997 |
| Mather | WISCONSIN | 2 | 2023 |
| Stevens Pt | WISCONSIN | 2 | 2022 |
| Eden | WISCONSIN | 2 | 2024 |
| Mount Horeb | WISCONSIN | 2 | 1983 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.