Species · Vermont · BBS 2025 Release · 1966–2024
Savannah Sparrow Population Trend in Vermont
Savannah Sparrow in Vermont has held roughly steady: down 5% on the route-weighted index since 1968.
-5%Since 1968
25Routes In State
58Years
Notable Savannah Sparrow Trends in Vermont
No notable trend signals for Savannah Sparrow in Vermont. See the full index history below.
Savannah Sparrow Population Forecast in Vermont
If the recent trend holds, Savannah Sparrow in Vermont is projected to rise about 17% by 2029 — from 2.7 in 2024 to a central estimate of 3.2 (95% range 1.1–5.3). A 5-year backtest shows a typical error of ±63.5%, with 100% of held-out values landing inside the 95% band.
+17%Change by 2029
3.2Projected 2029 index
1.1–5.395% range
±63.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.2 | 1.1 | 5.2 |
| 2026 | 3.2 | 1.1 | 5.2 |
| 2027 | 3.2 | 1.1 | 5.2 |
| 2028 | 3.2 | 1.1 | 5.2 |
| 2029 | 3.2 | 1.1 | 5.3 |
Savannah Sparrow Survey Routes in Vermont
| Hinesburg | 22 | 1994 | 1966 |
| Greensboro | 16 | 2024 | 1967 |
| Waterville | 10 | 1980 | 1971 |
| Bristol | 7 | 2018 | 1995 |
| Middlesex | 6 | 2024 | 1968 |
| St Johnsbury | 4 | 2024 | 1970 |
| Northfld Fls | 4 | 2021 | 1980 |
| Hardwick | 4 | 2024 | 1966 |
| Grand Isle | 4 | 2024 | 1967 |
| Stowe | 4 | 2024 | 1988 |
| Landgrove | 3 | 2024 | 1970 |
| East Haven | 3 | 2024 | 1968 |
| Fletcher | 3 | 2024 | 1969 |
| North Pownal | 2 | 2011 | 1978 |
| Gaysville | 2 | 2021 | 1977 |
| Shaftsbury | 2 | 2022 | 1976 |
| Stratton | 1 | 2021 | 1996 |
| S Reading | 1 | 2024 | 1968 |
| Post Mills | 1 | 2019 | 1967 |
| S Wallingfrd | 1 | 2012 | 1980 |
| W Rutland | 1 | 2023 | 1979 |
| East Calais | 1 | 2024 | 1966 |
| Newbury | 1 | 2003 | 1991 |
| Colchester | 1 | 2021 | 1986 |
| Newbury 2 | 1 | 2009 | 2009 |
Savannah Sparrow Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.