BirdAnalyst
Species · BCR 25 · BBS 2025 Release · 1966–2024

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 183% on the route-weighted index since 1969.

+183%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 →
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 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 183% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Red-eyed Vireo in West Gulf Coastal Plain / Ouachitas is projected to stay roughly flat through 2029, near 22 (95% range 18–26). A 5-year backtest shows a typical error of ±9.6%, with 100% of held-out values landing inside the 95% band.

-7%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 →
22Projected 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 →
18–2695% 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 →
±9.6%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 West Gulf Coastal Plain / Ouachitas is projected to stay roughly flat through 2029, near 22 (95% range 18–26). A 5-year backtest shows a typical error of ±9.6%, 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 →
2025211725
2026211726
2027221726
2028221826
2029221826

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 →
Ivan 2LOUISIANA622016
Mount UnionLOUISIANA612024
GoodwillLOUISIANA572024
WaldronARKANSAS552024
IvanLOUISIANA542013
Dry Fork 2ARKANSAS512024
Big CedarOKLAHOMA492024
Four LakesARKANSAS452001
Dry ForkARKANSAS422023
ClayLOUISIANA422024
PushmatahaOKLAHOMA422023
Ouachita NfOKLAHOMA402024
Princeton 2ARKANSAS382022
NanceARKANSAS362024
Hee MountainOKLAHOMA362024
WomackLOUISIANA352024
Hatfield 2ARKANSAS342024
WechesTEXAS342024
Magazine MtnARKANSAS332021
RamseyARKANSAS311997
HollywoodARKANSAS312024
MortonTEXAS312024
LinvilleLOUISIANA282024
SimsARKANSAS272024
StephensARKANSAS272024

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