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Species · Arkansas · BBS 2026 Release · 1966–2025

Red-eyed Vireo Population Trend in Arkansas

All statesForest birds

Red-eyed Vireo in Arkansas has surged: up 209% on the route-weighted index since 1969.

+209%Since 1969TrendPercent 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 →
57Routes 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 Red-eyed Vireo Trends in ArkansasNotable 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 →

Red-eyed Vireo has surged in Arkansas: up 209% on the route-weighted index since 1969.

Red-eyed Vireo Population Forecast in Arkansas

If the recent trend holds, Red-eyed Vireo in Arkansas is projected to rise about 21% by 2030 — from 19 in 2025 to a central estimate of 22 (95% range 17–28). A 5-year backtest shows a typical error of ±10.1%, with 100% of held-out values landing inside the 95% band.

+21%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 →
22Projected 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 →
17–2895% 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 →
±10.1%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, Red-eyed Vireo in Arkansas is projected to rise about 21% by 2030 — from 19 in 2025 to a central estimate of 22 (95% range 17–28). A 5-year backtest shows a typical error of ±10.1%, with 100% of held-out values landing inside the 95% band.19672030
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 →
2026211627
2027221627
2028221628
2029221628
2030221728

Red-eyed Vireo Survey Routes in Arkansas

Routes recording Red-eyed Vireo in Arkansas.
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 →
Boston Mtn.7920251994
Lurton5620231967
Magazine Mtn5320251993
Dry Fork 25020252024
Ozark Nf4920251991
Compton4920221967
Hatfield 24620252017
Four Lakes4520011994
Rupert4320241967
Dry Fork4220232000
Waldron3920251967
Princeton 23820222022
Marshall3220212011
Sims3220252010
Ramsey3119971967
Hollywood3120241967
Nance3020251992
Princeton2620211998
Zion2420251967
Rudy2420252011
Stephens2320252010
Ashdown2220231967
Blakely1819991968
Crowley'S Ridge1820252011
Stamps1720241967

Red-eyed Vireo Population Trend in Other States

alabamaalaskacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawashingtonwest-virginiawisconsinwyoming

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