Species · BCR 12 · BBS 2025 Release · 1966–2024
Red-bellied Woodpecker In Boreal Hardwood Transition
Red-bellied Woodpecker in Boreal Hardwood Transition has surged: up 40× on the route-weighted index since 1978.
40×Since 1978
71Routes In Region
43Years
Notable Signals
long arc increasecomputed index
Red-bellied Woodpecker has surged in Boreal Hardwood Transition: up 40× on the route-weighted index since 1978.
Forecast
If the recent trend holds, Red-bellied Woodpecker in Boreal Hardwood Transition is projected to fall about 25% by 2029 — from 0.83 in 2024 to a central estimate of 0.62 (95% range 0.40–0.85). A 5-year backtest shows a typical error of ±43%, with 0% of held-out values landing inside the 95% band.
-25%Change by 2029
0.62Projected 2029 index
0.40–0.8595% range
±43%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.57 | 0.34 | 0.80 |
| 2026 | 0.58 | 0.35 | 0.81 |
| 2027 | 0.59 | 0.37 | 0.82 |
| 2028 | 0.61 | 0.38 | 0.84 |
| 2029 | 0.62 | 0.40 | 0.85 |
Routes In Boreal Hardwood Transition
| Pleasant Valley 2 | MICHIGAN | 7 | 2024 |
| Mayfield | MICHIGAN | 7 | 2022 |
| Washington I | WISCONSIN | 7 | 2024 |
| Bear Lake | MICHIGAN | 6 | 2024 |
| Cunard | MICHIGAN | 3 | 2021 |
| Oberlin | MICHIGAN | 3 | 2024 |
| Sand Lake | MICHIGAN | 3 | 2024 |
| Harrietta | MICHIGAN | 3 | 2024 |
| Mille Lacs | MINNESOTA | 3 | 2024 |
| Brainerd | MINNESOTA | 3 | 2024 |
| Couderay | WISCONSIN | 3 | 2018 |
| Crandon | WISCONSIN | 3 | 2024 |
| Bashaw | WISCONSIN | 3 | 2022 |
| Weirgor Springs | WISCONSIN | 3 | 2023 |
| Isabella | MICHIGAN | 2 | 2010 |
| Riggsville | MICHIGAN | 2 | 2019 |
| Cathro | MICHIGAN | 2 | 2016 |
| Seney Nwr | MICHIGAN | 2 | 2018 |
| Sidnaw | MICHIGAN | 2 | 1993 |
| Wigwam Bay | MINNESOTA | 2 | 2023 |
| Debs | MINNESOTA | 2 | 2015 |
| Mcgregor | MINNESOTA | 2 | 2022 |
| Union Twp | WISCONSIN | 2 | 2024 |
| Exeland | WISCONSIN | 2 | 2024 |
| Gilman | WISCONSIN | 2 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.