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

Veery Population Trend in Connecticut

All statesForest birds

Veery in Connecticut has edged up: up 16% on the route-weighted index since 1968.

+16%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 →
20Routes 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 ConnecticutNotable 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 Connecticut. See the full index history below.

Veery Population Forecast in Connecticut

If the recent trend holds, Veery in Connecticut is projected to rise about 25% by 2029 — from 13 in 2024 to a central estimate of 16 (95% range 8.1–23). A 5-year backtest shows a typical error of ±65.3%, with 80% of held-out values landing inside the 95% band.

+25%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 →
16Projected 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 →
8.1–2395% 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 →
±65.3%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 Connecticut is projected to rise about 25% by 2029 — from 13 in 2024 to a central estimate of 16 (95% range 8.1–23). A 5-year backtest shows a typical error of ±65.3%, with 80% 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 →
2025157.623
2026157.723
2027157.823
2028168.023
2029168.123

Veery Survey Routes in Connecticut

Routes recording Veery in Connecticut.
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 →
Warren15920111972
Sherman3420191972
Woodstock 23020242016
Warren 22720242012
Woodstock1320071968
Granby1320241988
New Hartford1220241994
Mid Haddam1120241973
Uncasville1020241973
E Hartland819921966
Buckingham820221966
New Hartford819871972
No Woodbury720241967
Willimantic620181967
Long Hill420191972
Mystic320231973
Southington320241973
Westbrook220231969
Greenwich120171967
Danbury120231968

Veery Population Trend in Other States

alabamaalaskacoloradodelawaregeorgiaidahoillinoisindianakentuckymainemarylandmassachusettsmichiganminnesotamontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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