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Species · Alabama · BBS 2025 Release · 1966–2024

White-eyed Vireo Population Trend in Alabama

All statesForest birds

White-eyed Vireo in Alabama has surged: up 152% on the route-weighted index since 1968.

+152%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 →
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 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 152% 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 20% by 2029 — from 24 in 2024 to a central estimate of 19 (95% range 14–23). A 5-year backtest shows a typical error of ±28.4%, 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 →
19Projected 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 →
14–2395% 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 →
±28.4%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 20% by 2029 — from 24 in 2024 to a central estimate of 19 (95% range 14–23). A 5-year backtest shows a typical error of ±28.4%, 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 →
2025181323
2026181423
2027181423
2028191423
2029191423

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
Sprott-Cahaba Riv6720141999
Gainestown Ferry6520151999
Epes6220241980
Greensboro6020241966
Gastonburg6020241996
Cottonton5520241966
Helicon5420241996
Triana4720121999
Warrior Std4420241966
Wedgeworth4220241979
Liberty City 24120242017
Howard3920241966
Sprague3920241966
Latham 23920242005
Castleberry3620241966
Elamville3620241984
Vernon3620221996
Liberty3420221966
Beatrice3420211966
Fairview3420241991
Vina3420231996
Millry3320231970
Escatawpa3320231983
Latham3020001966

White-eyed Vireo Population Trend in Other States

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

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