BirdAnalyst
Species · New Hampshire · BBS 2025 Release · 1966–2024

Veery Population Trend in New Hampshire

All statesForest birds

Veery in New Hampshire has fallen sharply: down 58% on the route-weighted index since 1968.

-58%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 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 58% 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 24% by 2029 — from 7.0 in 2024 to a central estimate of 5.3 (95% range 2.1–8.5). A 5-year backtest shows a typical error of ±17.3%, with 100% of held-out values landing inside the 95% band.

-24%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 →
5.3Projected 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 →
2.1–8.595% 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 →
±17.3%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 New Hampshire is projected to fall about 24% by 2029 — from 7.0 in 2024 to a central estimate of 5.3 (95% range 2.1–8.5). A 5-year backtest shows a typical error of ±17.3%, 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 →
20256.12.99.3
20265.92.79.1
20275.72.58.9
20285.52.38.7
20295.32.18.5

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
Marlow1820241966
Canterbury1620241966
Strafford1420241966
Dixville Notch 21220242018
Peterborough1020241966
Dover920241966
Wilmot920241966
Walpole920241966
Concord720241966
Lempster720241966
Jefferson Hl720241966
Milan620241966
Epsom520231966
Gilmantn I W520241969
Franconia420241966
Dixvil Notch420171966
Glen420241975
Fitzwilliam320241966
Mt Chocorua320241966
Stratford320241966
Hopkinton220241966
East Kingston220241999
Jeffers Ntch220241993
Brentwood119981966

Veery Population Trend in Other States

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

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