BirdAnalyst
Species · BCR 25 · BBS 2026 Release · 1966–2025

Red-eyed Vireo In West Gulf Coastal Plain / Ouachitas

All regionsWest Gulf Coastal Plain / OuachitasForest birds

Red-eyed Vireo in West Gulf Coastal Plain / Ouachitas has surged: up 181% on the route-weighted index since 1969.

+181%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 →
110Routes In RegionSurvey 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 SignalsNotable 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 West Gulf Coastal Plain / Ouachitas: up 181% on the route-weighted index since 1969.

Red-eyed Vireo In West Gulf Coastal Plain / Ouachitas Population Forecast

If the recent trend holds, Red-eyed Vireo in West Gulf Coastal Plain / Ouachitas is projected to stay roughly flat through 2030, near 22 (95% range 18–27). A 5-year backtest shows a typical error of ±5.4%, with 100% of held-out values landing inside the 95% band.

+8%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 →
18–2795% 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 →
±5.4%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 West Gulf Coastal Plain / Ouachitas is projected to stay roughly flat through 2030, near 22 (95% range 18–27). A 5-year backtest shows a typical error of ±5.4%, 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 →
2026211725
2027221726
2028221826
2029221826
2030221827

Routes In West Gulf Coastal Plain / Ouachitas

Routes recording Red-eyed Vireo in West Gulf Coastal Plain / Ouachitas.
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 →
IvanLOUISIANA542013
Magazine MtnARKANSAS532025
Mount UnionLOUISIANA522025
Dry Fork 2ARKANSAS502025
Big CedarOKLAHOMA492024
Ouachita NfOKLAHOMA482025
Hatfield 2ARKANSAS462025
Four LakesARKANSAS452001
Ivan 2LOUISIANA452025
Dry ForkARKANSAS422023
PushmatahaOKLAHOMA422023
WaldronARKANSAS392025
Princeton 2ARKANSAS382022
Hee MountainOKLAHOMA362024
Smyrna 2TEXAS332025
SimsARKANSAS322025
RamseyARKANSAS311997
HollywoodARKANSAS312024
Alexander StTEXAS312025
NanceARKANSAS302025
NatchezLOUISIANA302025
WechesTEXAS272025
PrincetonARKANSAS262021
WomackLOUISIANA252025
LinvilleLOUISIANA252025

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