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

Red-eyed Vireo Population Trend in Texas

All statesForest birds

Red-eyed Vireo in Texas has risen sharply: up 66% on the route-weighted index since 1969.

+66%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 →
103Routes 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 TexasNotable 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 risen sharply in Texas: up 66% on the route-weighted index since 1969.

Red-eyed Vireo Population Forecast in Texas

If the recent trend holds, Red-eyed Vireo in Texas is projected to fall about 25% by 2030 — from 2.4 in 2025 to a central estimate of 1.8 (95% range 0.89–2.7). A 5-year backtest shows a typical error of ±19.6%, with 100% of held-out values landing inside the 95% band.

-25%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 →
1.8Projected 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 →
0.89–2.795% 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 →
±19.6%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 Texas is projected to fall about 25% by 2030 — from 2.4 in 2025 to a central estimate of 1.8 (95% range 0.89–2.7). A 5-year backtest shows a typical error of ±19.6%, 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 →
20261.80.852.7
20271.80.862.7
20281.80.872.7
20291.80.882.7
20301.80.892.7

Red-eyed Vireo Survey Routes in Texas

Routes recording Red-eyed Vireo in Texas.
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 →
Smyrna 23320252011
Alexander St3120251995
Weches2720251995
Big Sandy Bith2520242015
Town Bluff2420251967
Crossroads2420251967
Morton2320251972
Diboll2020251968
Powell Park1920211995
Powell Park 21920252022
Smyrna1820101995
Livingston1720251969
Caledonia1720251969
Liberty Hill1720251968
Bon Wier1520251996
Mt. Selman1520251998
Union Hill1420241994
Encinal1219691969
New Waverly1020251969
Athens1020251968
Fred1020251995
Lydia920251967
Easton 2720252014
Leakey620251994
Easton620131994

Red-eyed Vireo Population Trend in Other States

alabamaalaskaarkansascoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseevermontvirginiawashingtonwest-virginiawisconsinwyoming

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