BirdAnalyst
Species · Missouri · BBS 2025 Release · 1966–2024

Red-eyed Vireo Population Trend in Missouri

All statesForest birds

Red-eyed Vireo in Missouri has surged: up 246% on the route-weighted index since 1969.

+246%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 →
91Routes 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 →
57YearsYears 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 MissouriNotable 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 Missouri: up 246% on the route-weighted index since 1969.

Red-eyed Vireo Population Forecast in Missouri

If the recent trend holds, Red-eyed Vireo in Missouri is projected to rise about 50% by 2029 — from 8.5 in 2024 to a central estimate of 13 (95% range 9.1–16). A 5-year backtest shows a typical error of ±42.4%, with 40% of held-out values landing inside the 95% band.

+50%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 →
13Projected 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 →
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 →
±42.4%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 Missouri is projected to rise about 50% by 2029 — from 8.5 in 2024 to a central estimate of 13 (95% range 9.1–16). A 5-year backtest shows a typical error of ±42.4%, with 40% of held-out values landing inside the 95% band.19672029
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 →
2025128.416
2026128.616
2027128.716
2028138.916
2029139.116

Red-eyed Vireo Survey Routes in Missouri

Routes recording Red-eyed Vireo in Missouri.
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 →
Centerville9020241994
Bennett4720241994
Hilda4420241994
Wesco3320241972
Cascade2820241967
Viburnum2320242014
Akers2220241967
Williamsvill2220241994
Graniteville2220241982
Mincy1920242013
Palace1920242013
Clementine 21720072005
Ironton1619801972
Lincoln1620242013
Rueter1620222018
Rueter 21320242023
Syracuse1220241969
Bland1120241998
Hayden1020241975
Osage Beach920241997
Doe Run820242015
Moselle820242000
Sticklervill720241970
Crane720241994
Peace Valley620241975

Red-eyed Vireo Population Trend in Other States

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

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