BirdAnalyst
Species · New Hampshire · BBS 2026 Release · 1966–2025

Veery Population Trend in New Hampshire

All statesForest birds

Veery in New Hampshire has fallen sharply: down 62% on the route-weighted index since 1968.

-62%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 →
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 Veery Trends in New HampshireNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Veery has fallen sharply in New Hampshire: down 62% on the route-weighted index since 1968.

Veery Population Forecast in New Hampshire

If the recent trend holds, Veery in New Hampshire is projected to fall about 25% by 2030 — from 6.8 in 2025 to a central estimate of 5.1 (95% range 2.0–8.3). A 5-year backtest shows a typical error of ±19.2%, 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 →
5.1Projected 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 →
2.0–8.395% 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 →
±19.2%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 New Hampshire is projected to fall about 25% by 2030 — from 6.8 in 2025 to a central estimate of 5.1 (95% range 2.0–8.3). A 5-year backtest shows a typical error of ±19.2%, 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 →
20265.92.89.1
20275.72.68.9
20285.52.48.7
20295.32.28.5
20305.12.08.3

Veery Survey Routes in New Hampshire

Routes recording Veery in New Hampshire.
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 →
Crawford Not2619751966
Marlow1320251966
Dixville Notch 21220252018
Canterbury1120251966
Fitzwilliam1020251966
Concord1020251966
Wilmot1020251966
Stratford1020251966
Epsom920251966
Milan920251966
Strafford720251966
Walpole720251966
Lempster620251966
East Kingston620251999
Peterborough520251966
Hopkinton520251966
Mt Chocorua520251966
Glen520251975
Dixvil Notch420171966
Clarksville420251966
Dover320251966
Gilmantn I W320251969
Jefferson Hl320251966
Jeffers Ntch320251993
Brentwood119981966

Veery Population Trend in Other States

alabamaalaskacoloradoconnecticutdelawaregeorgiaidahoillinoisindianakentuckymainemarylandmassachusettsmichiganminnesotamontananebraskanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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