Species · BCR 12 · BBS 2025 Release · 1966–2024
Hairy Woodpecker In Boreal Hardwood Transition
Hairy Woodpecker in Boreal Hardwood Transition has surged: up 223% on the route-weighted index since 1968.
+223%Since 1968
126Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Hairy Woodpecker has surged in Boreal Hardwood Transition: up 223% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Hairy Woodpecker in Boreal Hardwood Transition is projected to stay roughly flat through 2029, near 1.8 (95% range 1.3–2.3). A 5-year backtest shows a typical error of ±7.8%, with 100% of held-out values landing inside the 95% band.
+1%Change by 2029
1.8Projected 2029 index
1.3–2.395% range
±7.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.8 | 1.3 | 2.2 |
| 2026 | 1.8 | 1.3 | 2.3 |
| 2027 | 1.8 | 1.3 | 2.3 |
| 2028 | 1.8 | 1.3 | 2.3 |
| 2029 | 1.8 | 1.3 | 2.3 |
Routes In Boreal Hardwood Transition
| Maple Grove | MICHIGAN | 7 | 2024 |
| Eagle River | WISCONSIN | 7 | 2024 |
| Bigfork | MINNESOTA | 6 | 2024 |
| Wausaukee | WISCONSIN | 6 | 2024 |
| Amnicon Falls | WISCONSIN | 5 | 2024 |
| Cunard | MICHIGAN | 4 | 2021 |
| Frederic | MICHIGAN | 4 | 2003 |
| Pleasant Valley 2 | MICHIGAN | 4 | 2017 |
| Betchler Lks | MICHIGAN | 4 | 2024 |
| Seney Nwr | MICHIGAN | 4 | 2023 |
| Sherry Lake | MINNESOTA | 4 | 2022 |
| Cass Lake | MINNESOTA | 4 | 2016 |
| Nebish | MINNESOTA | 4 | 2023 |
| Chaffey | WISCONSIN | 4 | 2024 |
| Shanagolden | WISCONSIN | 4 | 2024 |
| Rib Lake | WISCONSIN | 4 | 2019 |
| Washington I | WISCONSIN | 4 | 2024 |
| Cavour | WISCONSIN | 4 | 2024 |
| Herman | MICHIGAN | 3 | 2022 |
| Creighton | MICHIGAN | 3 | 2021 |
| Irons | MICHIGAN | 3 | 1986 |
| Traverse Cty | MICHIGAN | 3 | 1985 |
| Pickford | MICHIGAN | 3 | 2019 |
| Frederic 2 | MICHIGAN | 3 | 2015 |
| Ensign | MICHIGAN | 3 | 2010 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.