BirdAnalyst
Species · Vermont · BBS 2025 Release · 1966–2024

Veery Population Trend in Vermont

All statesForest birds

Veery in Vermont has declined: down 43% on the route-weighted index since 1968.

-43%Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
26Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
58YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Veery Trends in VermontNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Veery in Vermont. See the full index history below.

Veery Population Forecast in Vermont

If the recent trend holds, Veery in Vermont is projected to fall about 35% by 2029 — from 9.8 in 2024 to a central estimate of 6.4 (95% range 0.72–12). A 5-year backtest shows a typical error of ±13.3%, with 100% of held-out values landing inside the 95% band.

-35%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
6.4Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.72–1295% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±13.3%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Veery in Vermont is projected to fall about 35% by 2029 — from 9.8 in 2024 to a central estimate of 6.4 (95% range 0.72–12). A 5-year backtest shows a typical error of ±13.3%, with 100% of held-out values landing inside the 95% band.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 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20257.11.413
20266.91.313
20276.71.112
20286.50.9012
20296.40.7212

Veery Survey Routes in Vermont

Routes recording Veery in Vermont.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Waterville3219801967
Hardwick2620241966
Fletcher1820241968
Shaftsbury1620241966
St Johnsbury1620241970
W Rutland1520241966
Gaysville1320211966
S Reading1220241966
East Haven1120241966
Bristol1120181995
East Calais1020241966
Newbury1020041986
Stowe1020241988
Middlesex920241968
Marlboro820241966
Post Mills820241966
Greensboro820241967
Hinesburg719941966
Northfld Fls620211980
S Wallingfrd520221966
Stratton320241966
Landgrove320241966
Newbury 2320232005
North Pownal220241966
Colchester220241986

Veery Population Trend in Other States

alabamaalaskacoloradoconnecticutdelawaregeorgiaidahoillinoisindianakentuckymainemarylandmassachusettsmichiganminnesotamontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-dakotatennesseeutahvirginiawashingtonwest-virginiawisconsinwyoming

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