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

Red-eyed Vireo Population Trend in Texas

All statesForest birds

Red-eyed Vireo in Texas has increased: up 44% on the route-weighted index since 1969.

+44%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 →
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 TexasNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Red-eyed Vireo in Texas. See the full index history below.

Red-eyed Vireo Population Forecast in Texas

If the recent trend holds, Red-eyed Vireo in Texas is projected to fall about 29% by 2029 — from 2.4 in 2024 to a central estimate of 1.7 (95% range 0.83–2.6). A 5-year backtest shows a typical error of ±25%, with 100% of held-out values landing inside the 95% band.

-29%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 →
1.7Projected 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 →
0.83–2.695% 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 →
±25%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 29% by 2029 — from 2.4 in 2024 to a central estimate of 1.7 (95% range 0.83–2.6). A 5-year backtest shows a typical error of ±25%, with 100% 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 →
20251.70.812.6
20261.70.812.6
20271.70.822.6
20281.70.832.6
20291.70.832.6

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 →
Weches3420241995
Morton3120241972
Crossroads2720241967
Alexander St2720241995
Big Sandy Bith2520242015
Diboll2420241968
Town Bluff2120241967
Mt. Selman2120241998
Caledonia2020241969
Powell Park1920211995
Smyrna1820101995
Powell Park 21820242022
Smyrna 21820232011
Livingston1620241969
Union Hill1420241994
New Waverly1320241969
Fred1320241995
Encinal1219691969
Bon Wier1220241996
Lydia1020231967
Liberty Hill920231968
Athens720241968
Leakey620241994
Easton620131994
Gambill Ref.620241995

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 2026-05-22.