Species · BCR 23 · BBS 2025 Release · 1966–2024
Hermit Thrush In Prairie Hardwood Transition
Hermit Thrush in Prairie Hardwood Transition has surged: up 274% on the route-weighted index since 1968.
+274%Since 1968
30Routes In Region
56Years
Notable Signals
long arc increasecomputed index
Hermit Thrush has surged in Prairie Hardwood Transition: up 274% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Hermit Thrush in Prairie Hardwood Transition is projected to stay roughly flat through 2029, near 0.19 (95% range 0.03–0.34). A 5-year backtest shows a typical error of ±363.6%, with 40% of held-out values landing inside the 95% band.
n/aChange by 2029
0.19Projected 2029 index
0.03–0.3495% range
±363.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.18 | 0.02 | 0.33 |
| 2026 | 0.18 | 0.03 | 0.33 |
| 2027 | 0.18 | 0.03 | 0.34 |
| 2028 | 0.18 | 0.03 | 0.34 |
| 2029 | 0.19 | 0.03 | 0.34 |
Routes In Prairie Hardwood Transition
| Hatfield | WISCONSIN | 9 | 1998 |
| Mather | WISCONSIN | 4 | 2019 |
| Merrill | WISCONSIN | 3 | 2008 |
| Big Rapids | MICHIGAN | 2 | 1981 |
| Chippewa Lk. | MICHIGAN | 2 | 1992 |
| Barry S.G.A. | MICHIGAN | 2 | 1999 |
| Elderon | WISCONSIN | 2 | 2003 |
| Scottville | MICHIGAN | 1 | 2023 |
| Belding | MICHIGAN | 1 | 2002 |
| Monterey | MICHIGAN | 1 | 2011 |
| No Bradley | MICHIGAN | 1 | 1989 |
| Maple Rapids | MICHIGAN | 1 | 1994 |
| Hungerford | MICHIGAN | 1 | 2017 |
| Belding 2 | MICHIGAN | 1 | 2005 |
| Allegan Wma | MICHIGAN | 1 | 1996 |
| Millville | MINNESOTA | 1 | 2010 |
| Evergreen | MINNESOTA | 1 | 2024 |
| Brook Park | MINNESOTA | 1 | 1999 |
| Loraine | WISCONSIN | 1 | 2018 |
| Cumberland | WISCONSIN | 1 | 2018 |
| Cadott | WISCONSIN | 1 | 2019 |
| Stratford | WISCONSIN | 1 | 2015 |
| Wis Rapids | WISCONSIN | 1 | 2022 |
| Stevens Pt | WISCONSIN | 1 | 2023 |
| Manawa | WISCONSIN | 1 | 2007 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.