Species · Vermont · BBS 2025 Release · 1966–2024
Yellow-bellied Flycatcher Population Trend in Vermont
Yellow-bellied Flycatcher in Vermont has fallen sharply: down 62% on the route-weighted index since 1971.
-62%Since 1971
17Routes In State
22Years
Notable Yellow-bellied Flycatcher Trends in Vermont
long arc declinecomputed index
Yellow-bellied Flycatcher has fallen sharply in Vermont: down 62% on the route-weighted index since 1971.
Yellow-bellied Flycatcher Population Forecast in Vermont
If the recent trend holds, Yellow-bellied Flycatcher in Vermont is projected to fall about 59% by 2024 — from 0.06 in 2019 to a central estimate of 0.02 (95% range 0.00–0.21). A 5-year backtest shows a typical error of ±149.7%, with 100% of held-out values landing inside the 95% band.
-59%Change by 2024
0.02Projected 2024 index
0.00–0.2195% range
±149.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2020 | 0.04 | 0.00 | 0.22 |
| 2021 | 0.03 | 0.00 | 0.22 |
| 2022 | 0.03 | 0.00 | 0.21 |
| 2023 | 0.03 | 0.00 | 0.21 |
| 2024 | 0.02 | 0.00 | 0.21 |
Yellow-bellied Flycatcher Survey Routes in Vermont
| East Haven | 2 | 2014 | 1980 |
| Marlboro | 1 | 1975 | 1975 |
| Stratton | 1 | 1971 | 1971 |
| Landgrove | 1 | 2019 | 2019 |
| S Reading | 1 | 1979 | 1972 |
| Post Mills | 1 | 1978 | 1975 |
| Shaftsbury | 1 | 1972 | 1972 |
| St Johnsbury | 1 | 2001 | 1970 |
| Northfld Fls | 1 | 2007 | 2001 |
| Middlesex | 1 | 1990 | 1970 |
| East Calais | 1 | 1982 | 1980 |
| Hardwick | 1 | 2004 | 1978 |
| Greensboro | 1 | 1989 | 1968 |
| Fletcher | 1 | 1985 | 1985 |
| Waterville | 1 | 1979 | 1979 |
| Hinesburg | 1 | 1988 | 1988 |
| Stowe | 1 | 1990 | 1990 |
Yellow-bellied Flycatcher Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.