BirdAnalyst
Species · BCR 13 · BBS 2026 Release · 1966–2025

Veery In Lower Great Lakes / St. Lawrence Plain

All regionsLower Great Lakes / St. Lawrence PlainForest birds

Veery in Lower Great Lakes / St. Lawrence Plain has declined: down 25% on the route-weighted index since 1968.

-25%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 →
78Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable 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 Lower Great Lakes / St. Lawrence Plain. See the full index history below.

Veery In Lower Great Lakes / St. Lawrence Plain Population Forecast

If the recent trend holds, Veery in Lower Great Lakes / St. Lawrence Plain is projected to fall about 25% by 2030 — from 3.3 in 2025 to a central estimate of 2.5 (95% range 0.90–4.0). A 5-year backtest shows a typical error of ±14.7%, with 100% of held-out values landing inside the 95% band.

-25%Change by 2030TrendPercent 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 →
2.5Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.90–4.095% 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 →
±14.7%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 Lower Great Lakes / St. Lawrence Plain is projected to fall about 25% by 2030 — from 3.3 in 2025 to a central estimate of 2.5 (95% range 0.90–4.0). A 5-year backtest shows a typical error of ±14.7%, with 100% of held-out values landing inside the 95% band.19662030
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 →
20262.61.04.1
20272.61.04.1
20282.50.974.1
20292.50.944.0
20302.50.904.0

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording Veery in Lower Great Lakes / St. Lawrence Plain.
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 →
Alder CreekNEW-YORK232004
N WilmurtNEW-YORK171998
ShaftsburyVERMONT172025
North PownalVERMONT152025
PulaskiNEW-YORK142025
AusterlitzNEW-YORK132025
ArgyleNEW-YORK112024
ParishvilleNEW-YORK112025
West BangorNEW-YORK111999
BalmatNEW-YORK112008
Ferris CrnrsPENNSYLVANIA112025
OneidaNEW-YORK102010
BristolVERMONT102025
SalemNEW-YORK92025
WillsboroNEW-YORK92024
Sugar GrovePENNSYLVANIA82025
HinesburgVERMONT71994
Ballston LkNEW-YORK61995
N Victory 2NEW-YORK62021
North EastonNEW-YORK62025
CatskillsNEW-YORK52015
WatertownNEW-YORK52012
FowlerNEW-YORK51968
OgdensburgNEW-YORK52025
EllenburgNEW-YORK52006

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.