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

White-eyed Vireo Population Trend in Alabama

All statesForest birds

White-eyed Vireo in Alabama has surged: up 176% on the route-weighted index since 1968.

+176%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 →
108Routes 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 AlabamaNotable 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 Alabama: up 176% on the route-weighted index since 1968.

White-eyed Vireo Population Forecast in Alabama

If the recent trend holds, White-eyed Vireo in Alabama is projected to fall about 29% by 2030 — from 28 in 2025 to a central estimate of 20 (95% range 15–25). A 5-year backtest shows a typical error of ±29%, with 20% of held-out values landing inside the 95% band.

-29%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 →
20Projected 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 →
15–2595% 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 →
±29%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 Alabama is projected to fall about 29% by 2030 — from 28 in 2025 to a central estimate of 20 (95% range 15–25). A 5-year backtest shows a typical error of ±29%, with 20% 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 →
2026191424
2027191424
2028191425
2029201425
2030201525

White-eyed Vireo Survey Routes in Alabama

Routes recording White-eyed Vireo in Alabama.
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 →
Linden7820231968
Carrollton7220251994
Sprott-Cahaba Riv6720141999
Greensboro6520251966
Gainestown Ferry6520151999
Epes6220241980
Gastonburg6020241996
Helicon5620251996
Warrior Std5320251966
Holt5320251993
Jena5220251981
Wedgeworth4920251979
Triana4720121999
Castleberry4420251966
Latham 24420252005
Howard4220251966
Sprague3920251966
Fairview3820251991
Autaugaville3720251996
Vernon3620221996
Cottonton3520251966
Liberty3420221966
Beatrice3420211966
Whitehall3420251983
Vina3420231996

White-eyed Vireo Population Trend in Other States

arkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganmississippimissourinebraskanew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvirginiawest-virginiawisconsin

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