BirdAnalyst
Species · Virginia · BBS 2026 Release · 1966–2025

White-eyed Vireo Population Trend in Virginia

All statesForest birds

White-eyed Vireo in Virginia has surged: up 82% on the route-weighted index since 1968.

+82%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 →
79Routes 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 White-eyed Vireo Trends in VirginiaNotable 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 Virginia: up 82% on the route-weighted index since 1968.

White-eyed Vireo Population Forecast in Virginia

If the recent trend holds, White-eyed Vireo in Virginia is projected to stay roughly flat through 2030, near 4.6 (95% range 2.9–6.2). A 5-year backtest shows a typical error of ±21.2%, with 60% of held-out values landing inside the 95% band.

+3%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 →
4.6Projected 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 →
2.9–6.295% 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 →
±21.2%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, White-eyed Vireo in Virginia is projected to stay roughly flat through 2030, near 4.6 (95% range 2.9–6.2). A 5-year backtest shows a typical error of ±21.2%, with 60% 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 →
20264.42.86.0
20274.42.86.0
20284.52.96.1
20294.52.96.1
20304.62.96.2

White-eyed Vireo Survey Routes in Virginia

Routes recording White-eyed Vireo in Virginia.
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 →
Branchville4120241966
Newville3320241988
Truhart3220241996
Newsoms3020241967
Finchley2620212001
Brandon2220251992
Brodnax2120251973
Surry1820251977
Walkers1820231992
Clinchport1719781967
Church Road1520251966
Moran1520251996
Wylliesburg1220191984
Appomattox1220241995
Mannboro1120251967
Concord1020241967
Nat Tunnel1020251981
Gloucester1020251992
Waverly919871967
Sharps920251967
Ft Pickett S919951993
Dismal Swamp920161992
White Stone820251966
Quinby820251966
Irisburg820251976

White-eyed Vireo Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganmississippimissourinebraskanew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexaswest-virginiawisconsin

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