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Species · Mississippi · BBS 2026 Release · 1966–2025

Red-eyed Vireo Population Trend in Mississippi

All statesForest birds

Red-eyed Vireo in Mississippi has surged: up 17× on the route-weighted index since 1968.

17×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 →
74Routes 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 Red-eyed Vireo Trends in MississippiNotable 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 Mississippi: up 17× on the route-weighted index since 1968.

Red-eyed Vireo Population Forecast in Mississippi

If the recent trend holds, Red-eyed Vireo in Mississippi is projected to fall about 14% by 2030 — from 15 in 2025 to a central estimate of 13 (95% range 9.1–16). A 5-year backtest shows a typical error of ±20.4%, with 80% of held-out values landing inside the 95% band.

-14%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 →
13Projected 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 →
9.1–1695% 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 →
±20.4%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, Red-eyed Vireo in Mississippi is projected to fall about 14% by 2030 — from 15 in 2025 to a central estimate of 13 (95% range 9.1–16). A 5-year backtest shows a typical error of ±20.4%, with 80% 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 →
2026128.316
2027128.516
2028128.716
2029138.916
2030139.116

Red-eyed Vireo Survey Routes in Mississippi

Routes recording Red-eyed Vireo in Mississippi.
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 →
Trace Choctaw7020192012
Oak Ridge Vick5320212015
Trace Chickasaw5220252012
Holly Springs4320242009
Trace Central3720252007
Trace Attala3720192016
Trace Lorman3520192016
Grenada Lake3220191997
Warren Vick3220222018
Trace North2920182008
Duck Hill2720251972
Corinth2720251973
Vicksburg Np2720212016
Weir2620252007
Trace South2520192007
Sandy Creek2420001993
Embry2320251988
Forest2120251972
Trace Hinds2120252014
Fort Adams2020221975
Trace Lee2020182013
Lake1920251967
Delta N.F.1720211995
Star1620252016
Utica1320211966

Red-eyed Vireo Population Trend in Other States

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

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