Species · Vermont · BBS 2025 Release · 1966–2024

Baltimore Oriole Population Trend in Vermont

Baltimore Oriole in Vermont has collapsed: down 82% on the route-weighted index since 1968.

-82%Since 1968
26Routes In State
58Years

Notable Baltimore Oriole Trends in Vermont

long arc declinecomputed index

Baltimore Oriole has collapsed in Vermont: down 82% on the route-weighted index since 1968.

Baltimore Oriole Population Forecast in Vermont

If the recent trend holds, Baltimore Oriole in Vermont is projected to fall about 45% by 2029 — from 1.2 in 2024 to a central estimate of 0.64 (95% range 0.00–2.7). A 5-year backtest shows a typical error of ±61.3%, with 100% of held-out values landing inside the 95% band.

-45%Change by 2029
0.64Projected 2029 index
0.002.795% range
±61.3%Backtest error
19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20251.00.003.1
20260.910.003.0
20270.820.002.9
20280.730.002.8
20290.640.002.7

Baltimore Oriole Survey Routes in Vermont

Routes recording Baltimore Oriole in Vermont.
Waterville719801967
Shaftsbury620241966
Hinesburg519941966
S Wallingfrd320221966
W Rutland320241966
Stowe320221988
Bristol320181995
Marlboro220241966
S Reading220231966
Gaysville220181966
Fletcher220241968
Grand Isle220241967
North Pownal120231966
Stratton120241967
Landgrove120241969
Post Mills120211966
St Johnsbury120241970
East Haven120181966
Northfld Fls120181980
Middlesex120171968
East Calais120191970
Newbury120041986
Hardwick120241968
Greensboro120241971
Colchester120241986

Baltimore Oriole Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.