Species · Vermont · BBS 2025 Release · 1966–2024
Eastern Bluebird Population Trend in Vermont
Eastern Bluebird in Vermont has surged: up 107% on the route-weighted index since 1968.
+107%Since 1968
26Routes In State
58Years
Notable Eastern Bluebird Trends in Vermont
long arc increasecomputed index
Eastern Bluebird has surged in Vermont: up 107% on the route-weighted index since 1968.
Eastern Bluebird Population Forecast in Vermont
If the recent trend holds, Eastern Bluebird in Vermont is projected to fall about 50% by 2029 — from 1.9 in 2024 to a central estimate of 0.95 (95% range 0.28–1.6). A 5-year backtest shows a typical error of ±44.9%, with 40% of held-out values landing inside the 95% band.
-50%Change by 2029
0.95Projected 2029 index
0.28–1.695% range
±44.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.92 | 0.26 | 1.6 |
| 2026 | 0.93 | 0.26 | 1.6 |
| 2027 | 0.93 | 0.27 | 1.6 |
| 2028 | 0.94 | 0.28 | 1.6 |
| 2029 | 0.95 | 0.28 | 1.6 |
Eastern Bluebird Survey Routes in Vermont
| Fletcher | 14 | 2024 | 1993 |
| Shaftsbury | 4 | 2024 | 1966 |
| W Rutland | 4 | 2024 | 1966 |
| East Haven | 4 | 2024 | 1966 |
| St Johnsbury | 3 | 2022 | 1972 |
| North Pownal | 2 | 2024 | 1968 |
| Post Mills | 2 | 2024 | 1967 |
| East Calais | 2 | 2022 | 1966 |
| Grand Isle | 2 | 2022 | 1967 |
| Newbury 2 | 2 | 2023 | 2014 |
| Stowe | 2 | 2023 | 1989 |
| Bristol | 2 | 2014 | 1995 |
| Marlboro | 1 | 2023 | 1966 |
| Stratton | 1 | 2022 | 1966 |
| Landgrove | 1 | 2024 | 1967 |
| S Reading | 1 | 2023 | 1966 |
| Gaysville | 1 | 2017 | 2011 |
| S Wallingfrd | 1 | 2022 | 1966 |
| Northfld Fls | 1 | 2005 | 1980 |
| Middlesex | 1 | 2024 | 1969 |
| Newbury | 1 | 1991 | 1987 |
| Hardwick | 1 | 2024 | 1972 |
| Greensboro | 1 | 2021 | 1971 |
| Waterville | 1 | 1970 | 1968 |
| Hinesburg | 1 | 1994 | 1966 |
Eastern Bluebird Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.