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

White-eyed Vireo In Piedmont

All regionsPiedmontForest birds

White-eyed Vireo in Piedmont has surged: up 247% on the route-weighted index since 1968.

+247%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 →
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 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 247% on the route-weighted index since 1968.

Forecast

If the recent trend holds, White-eyed Vireo in Piedmont is projected to fall about 20% by 2029 — from 6.9 in 2024 to a central estimate of 5.6 (95% range 3.9–7.2). A 5-year backtest shows a typical error of ±34.9%, with 0% of held-out values landing inside the 95% band.

-20%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 →
5.6Projected 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 →
3.9–7.295% 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 →
±34.9%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 20% by 2029 — from 6.9 in 2024 to a central estimate of 5.6 (95% range 3.9–7.2). A 5-year backtest shows a typical error of ±34.9%, with 0% 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 →
20255.33.67.0
20265.33.77.0
20275.43.77.1
20285.53.87.2
20295.63.97.2

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 2ALABAMA412024
Carrs StationGEORGIA312024
WedoweeALABAMA262023
FinchleyVIRGINIA262021
ArcolaNORTH-CAROLINA252024
Curry HillGEORGIA242019
MillervilleALABAMA232024
Lincolnton 2GEORGIA232024
SharonGEORGIA222022
BrodnaxVIRGINIA212024
Church RoadVIRGINIA192024
Nixburg 2ALABAMA182024
GuptonNORTH-CAROLINA182024
GoldstonNORTH-CAROLINA182022
LanettALABAMA172024
Liberty CityALABAMA162011
WhitmireSOUTH-CAROLINA162024
WashingtonGEORGIA152024
Yates CrossroadsGEORGIA152024
Rock BranchGEORGIA152024
GrovetownGEORGIA142021
DurhamNORTH-CAROLINA142024
ForsythGEORGIA132024
MaxeysGEORGIA132024
RutledgeGEORGIA132024

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