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Species · Pennsylvania · BBS 2026 Release · 1966–2025

Veery Population Trend in Pennsylvania

All statesForest birds

Veery in Pennsylvania has surged: up 90% on the route-weighted index since 1968.

+90%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 →
113Routes 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 PennsylvaniaNotable 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 increasecomputed 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 surged in Pennsylvania: up 90% on the route-weighted index since 1968.

Veery Population Forecast in Pennsylvania

If the recent trend holds, Veery in Pennsylvania is projected to rise about 13% by 2030 — from 3.7 in 2025 to a central estimate of 4.2 (95% range 2.8–5.5). A 5-year backtest shows a typical error of ±10.2%, with 100% of held-out values landing inside the 95% band.

+13%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 →
4.2Projected 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 →
2.8–5.595% 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 →
±10.2%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 Pennsylvania is projected to rise about 13% by 2030 — from 3.7 in 2025 to a central estimate of 4.2 (95% range 2.8–5.5). A 5-year backtest shows a typical error of ±10.2%, 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 →
20264.12.75.5
20274.12.75.5
20284.12.75.5
20294.12.85.5
20304.22.85.5

Veery Survey Routes in Pennsylvania

Routes recording Veery in Pennsylvania.
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 →
Mawr Glen3920251982
Poyntelle2320251969
Roulette1920211970
Starlight1919991970
Laurel Hill1920251978
Ellenton1820251982
Starlight 21820252000
Greentown1620241969
Ansonia1420252002
Susquehanna1320251971
Wild Creek1320251988
Marsh Hill1220251983
Canadensis1220251973
Ferris Crnrs1120251966
Eldred1020221973
Cherry Sprs1020251974
Honesdale1020251972
Odin820251973
Betula820221973
Sugar Grove820251981
Roulette 2820252022
Broad Mtn.820251993
Logue720251970
Hometown720251966
Normalville719741972

Veery Population Trend in Other States

alabamaalaskacoloradoconnecticutdelawaregeorgiaidahoillinoisindianakentuckymainemarylandmassachusettsmichiganminnesotamontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonrhode-islandsouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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