Species · Vermont · BBS 2025 Release · 1966–2024
Wood Thrush Population Trend in Vermont
Wood Thrush in Vermont has collapsed: down 85% on the route-weighted index since 1968.
-85%Since 1968
26Routes In State
58Years
Notable Wood Thrush Trends in Vermont
long arc declinecomputed index
Wood Thrush has collapsed in Vermont: down 85% on the route-weighted index since 1968.
Wood Thrush Population Forecast in Vermont
If the recent trend holds, Wood Thrush in Vermont is projected to fall about 100% by 2029 — from 2.4 in 2024 to a central estimate of 0.00 (95% range 0.00–4.0). A 5-year backtest shows a typical error of ±100.2%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–4.095% range
±100.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 4.0 |
| 2026 | 0.00 | 0.00 | 4.0 |
| 2027 | 0.00 | 0.00 | 4.0 |
| 2028 | 0.00 | 0.00 | 4.0 |
| 2029 | 0.00 | 0.00 | 4.0 |
Wood Thrush Survey Routes in Vermont
| Hinesburg | 19 | 1994 | 1966 |
| Waterville | 18 | 1980 | 1967 |
| Newbury | 10 | 2004 | 1986 |
| Newbury 2 | 8 | 2023 | 2005 |
| North Pownal | 6 | 2024 | 1966 |
| Landgrove | 6 | 2024 | 1966 |
| Northfld Fls | 6 | 2018 | 1980 |
| Bristol | 6 | 2018 | 1995 |
| Marlboro | 5 | 2024 | 1966 |
| Greensboro | 5 | 2024 | 1967 |
| W Rutland | 4 | 2023 | 1966 |
| Middlesex | 4 | 2024 | 1968 |
| Stowe | 4 | 2024 | 1988 |
| Gaysville | 2 | 2021 | 1966 |
| Post Mills | 2 | 2024 | 1966 |
| S Wallingfrd | 2 | 2022 | 1966 |
| St Johnsbury | 2 | 2024 | 1970 |
| East Calais | 2 | 2024 | 1966 |
| Hardwick | 2 | 2024 | 1966 |
| Stratton | 1 | 2024 | 1966 |
| S Reading | 1 | 2024 | 1966 |
| Shaftsbury | 1 | 2024 | 1966 |
| East Haven | 1 | 2024 | 1966 |
| Fletcher | 1 | 2024 | 1968 |
| Colchester | 1 | 2024 | 1986 |
Wood Thrush Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.