BirdAnalyst
Species · BCR 29 · BBS 2025 Release · 1966–2024

Veery In Piedmont

All regionsPiedmontForest birds

Veery in Piedmont has surged: up 111% on the route-weighted index since 1969.

+111%Since 1969TrendPercent 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 →
36Routes 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 →
57YearsYears 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 →

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 Piedmont: up 111% on the route-weighted index since 1969.

Veery In Piedmont Population Forecast

If the recent trend holds, Veery in Piedmont is projected to rise about 188% by 2029 — from 0.06 in 2024 to a central estimate of 0.16 (95% range 0.04–0.28). A 5-year backtest shows a typical error of ±102.7%, with 80% of held-out values landing inside the 95% band.

+188%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 →
0.16Projected 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 →
0.04–0.2895% 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 →
±102.7%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 Piedmont is projected to rise about 188% by 2029 — from 0.06 in 2024 to a central estimate of 0.16 (95% range 0.04–0.28). A 5-year backtest shows a typical error of ±102.7%, with 80% of held-out values landing inside the 95% band.19672029
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 →
20250.160.040.28
20260.160.040.28
20270.160.040.28
20280.160.040.28
20290.160.040.28

Routes In Piedmont

Routes recording Veery in Piedmont.
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 →
NorwoodMARYLAND31985
Bachman MillMARYLAND32024
EkloMARYLAND31998
Mt GretnaPENNSYLVANIA31994
Mt Gretna 2PENNSYLVANIA32022
OlneyMARYLAND22008
SandbrookNEW-JERSEY22003
EmmitsburgMARYLAND12021
Silver SpgMARYLAND11989
WarfieldsbrgMARYLAND12016
Pleasant ValMARYLAND12007
FowblesburgMARYLAND12012
RandallstownMARYLAND11993
Van BibberMARYLAND12011
TheodoreMARYLAND11984
WheatonMARYLAND11995
IjamsvilleMARYLAND12008
EarltonMARYLAND12024
CrotonNEW-JERSEY12003
PottersvilleNEW-JERSEY12023
GilletteNEW-JERSEY12024
Croton 2NEW-JERSEY12023
CollegevillePENNSYLVANIA12023
GatchelvillePENNSYLVANIA11985
LabottPENNSYLVANIA11982

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