Species · Maine · BBS 2025 Release · 1966–2024
Hermit Thrush Population Trend in Maine
Hermit Thrush in Maine has edged down: down 25% on the route-weighted index since 1968.
-25%Since 1968
78Routes In State
58Years
Notable Hermit Thrush Trends in Maine
No notable trend signals for Hermit Thrush in Maine. See the full index history below.
Hermit Thrush Population Forecast in Maine
If the recent trend holds, Hermit Thrush in Maine is projected to rise about 21% by 2029 — from 6.8 in 2024 to a central estimate of 8.2 (95% range 3.8–13). A 5-year backtest shows a typical error of ±45.6%, with 100% of held-out values landing inside the 95% band.
+21%Change by 2029
8.2Projected 2029 index
3.8–1395% range
±45.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 8.1 | 3.7 | 13 |
| 2026 | 8.1 | 3.7 | 13 |
| 2027 | 8.1 | 3.7 | 13 |
| 2028 | 8.2 | 3.7 | 13 |
| 2029 | 8.2 | 3.8 | 13 |
Hermit Thrush Survey Routes in Maine
| Northfield | 35 | 1981 | 1976 |
| Carrying Pl | 33 | 2024 | 1979 |
| Seboomook Lk | 32 | 2014 | 1972 |
| Heron Lake | 26 | 2003 | 1985 |
| Cooper | 24 | 2021 | 1975 |
| Charleston | 23 | 2019 | 1975 |
| Baker Lake 2 | 22 | 2013 | 2010 |
| Nesowadnehun | 21 | 2021 | 1990 |
| Weeks Brook | 19 | 2016 | 1995 |
| Clayton Lake | 18 | 2008 | 1977 |
| Eastbrook | 17 | 2024 | 1971 |
| Big Twenty 2 | 17 | 2009 | 2009 |
| Deblois | 16 | 2007 | 1966 |
| Hudson | 16 | 2016 | 1973 |
| Telos | 16 | 2006 | 1995 |
| Reeds | 15 | 2024 | 1990 |
| Medway | 15 | 2018 | 1976 |
| Grnd Lk Strm | 15 | 2000 | 1966 |
| Brownfield | 15 | 2009 | 2009 |
| Brooks | 14 | 2019 | 1977 |
| Baker Lake | 13 | 2009 | 1994 |
| Wilson Mills | 12 | 2024 | 1983 |
| Manchester | 12 | 1995 | 1971 |
| Aurora | 12 | 2021 | 1975 |
| Wytopitlock | 12 | 1998 | 1976 |
Hermit Thrush Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.