Species · BCR 12 · BBS 2025 Release · 1966–2024
Brown Creeper In Boreal Hardwood Transition
Brown Creeper in Boreal Hardwood Transition has surged: up 418% on the route-weighted index since 1969.
+418%Since 1969
98Routes In Region
57Years
Notable Signals
long arc increasecomputed index
Brown Creeper has surged in Boreal Hardwood Transition: up 418% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Brown Creeper in Boreal Hardwood Transition is projected to stay roughly flat through 2029, near 0.67 (95% range 0.46–0.89). A 5-year backtest shows a typical error of ±47.9%, with 60% of held-out values landing inside the 95% band.
+5%Change by 2029
0.67Projected 2029 index
0.46–0.8995% range
±47.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.63 | 0.42 | 0.84 |
| 2026 | 0.64 | 0.43 | 0.85 |
| 2027 | 0.65 | 0.44 | 0.86 |
| 2028 | 0.66 | 0.45 | 0.88 |
| 2029 | 0.67 | 0.46 | 0.89 |
Routes In Boreal Hardwood Transition
| Harrietta | MICHIGAN | 5 | 2024 |
| Sawbill Lndg | MINNESOTA | 5 | 2024 |
| Land O' Lakes 2 | WISCONSIN | 5 | 2024 |
| Marenisco | MICHIGAN | 4 | 2019 |
| Imp Lake | MICHIGAN | 4 | 2019 |
| Ensign | MICHIGAN | 4 | 2009 |
| Blackduck | MINNESOTA | 4 | 2022 |
| Chisholm | MINNESOTA | 4 | 2024 |
| Land O Lakes | WISCONSIN | 4 | 2016 |
| Gooseneck | MICHIGAN | 3 | 2010 |
| Nett Lake | MINNESOTA | 3 | 2016 |
| Bergland | MICHIGAN | 2 | 2022 |
| Herman | MICHIGAN | 2 | 2015 |
| Crystal Fls | MICHIGAN | 2 | 2022 |
| Ishpeming | MICHIGAN | 2 | 2019 |
| Gilchrist | MICHIGAN | 2 | 2017 |
| Skeels | MICHIGAN | 2 | 1992 |
| Isabella 2 | MICHIGAN | 2 | 2024 |
| Pleasant Valley 2 | MICHIGAN | 2 | 2023 |
| Walloon Lake 2 | MICHIGAN | 2 | 2024 |
| Hiawatha Nf | MICHIGAN | 2 | 2024 |
| Seney Nwr | MICHIGAN | 2 | 2019 |
| Sidnaw | MICHIGAN | 2 | 2023 |
| Big Island Lake | MICHIGAN | 2 | 2010 |
| Cromwell | MINNESOTA | 2 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.