BirdAnalyst
Species · BCR 29 · BBS 2026 Release · 1966–2025

White-eyed Vireo In Piedmont

All regionsPiedmontForest birds

White-eyed Vireo in Piedmont has surged: up 259% on the route-weighted index since 1968.

+259%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 →
163Routes 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 →
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 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 →

White-eyed Vireo has surged in Piedmont: up 259% on the route-weighted index since 1968.

White-eyed Vireo In Piedmont Population Forecast

If the recent trend holds, White-eyed Vireo in Piedmont is projected to fall about 22% by 2030 — from 7.4 in 2025 to a central estimate of 5.8 (95% range 4.0–7.5). A 5-year backtest shows a typical error of ±33.1%, with 0% of held-out values landing inside the 95% band.

-22%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 →
5.8Projected 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 →
4.0–7.595% 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 →
±33.1%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, White-eyed Vireo in Piedmont is projected to fall about 22% by 2030 — from 7.4 in 2025 to a central estimate of 5.8 (95% range 4.0–7.5). A 5-year backtest shows a typical error of ±33.1%, with 0% 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 →
20265.53.77.2
20275.63.87.3
20285.63.97.4
20295.74.07.5
20305.84.07.5

Routes In Piedmont

Routes recording White-eyed Vireo 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 →
Liberty City 2ALABAMA312025
WedoweeALABAMA262023
FinchleyVIRGINIA262021
Nixburg 2ALABAMA242025
Curry HillGEORGIA242019
Carrs StationGEORGIA232025
SharonGEORGIA222022
MillervilleALABAMA212025
BrodnaxVIRGINIA212025
GreenwoodSOUTH-CAROLINA202025
GoldstonNORTH-CAROLINA182022
LanettALABAMA172024
Yates CrossroadsGEORGIA172025
Liberty CityALABAMA162011
Plum BranchSOUTH-CAROLINA162025
WhitmireSOUTH-CAROLINA162024
Owings 2SOUTH-CAROLINA162025
JulietteGEORGIA152025
Stoney Point 2GEORGIA152025
BullockNORTH-CAROLINA152025
Church RoadVIRGINIA152025
MoranVIRGINIA152025
GrovetownGEORGIA142021
Lincolnton 2GEORGIA142025
ForsythGEORGIA132024

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