BirdAnalyst
Species · BCR 21 · BBS 2025 Release · 1966–2024

Red-eyed Vireo In Oaks and Prairies

All regionsOaks and PrairiesForest birds

Red-eyed Vireo in Oaks and Prairies has surged: up 165% on the route-weighted index since 1969.

+165%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 →
57Routes 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 Oaks and Prairies: up 165% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Red-eyed Vireo in Oaks and Prairies is projected to stay roughly flat through 2029, near 1.2 (95% range 0.72–1.7). A 5-year backtest shows a typical error of ±23.1%, with 100% of held-out values landing inside the 95% band.

-5%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 →
1.2Projected 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 →
0.72–1.795% 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 →
±23.1%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 Oaks and Prairies is projected to stay roughly flat through 2029, near 1.2 (95% range 0.72–1.7). A 5-year backtest shows a typical error of ±23.1%, 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 →
20251.20.651.7
20261.20.671.7
20271.20.691.7
20281.20.711.7
20291.20.721.7

Routes In Oaks and Prairies

Routes recording Red-eyed Vireo in Oaks and Prairies.
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 →
HoldenvilleOKLAHOMA132024
LydiaTEXAS102023
NobleOKLAHOMA62024
Gambill Ref.TEXAS62024
OsageTEXAS52021
SeldenTEXAS52023
Mill CreekOKLAHOMA42017
HeyburnOKLAHOMA42024
GreenvilleTEXAS42023
BartlesvilleOKLAHOMA32024
Lone OakTEXAS32019
Oak GroveTEXAS31999
Massey LakeTEXAS32024
Thornton 3TEXAS32024
Blue RidgeTEXAS32024
YoakumTEXAS31997
BrucevilleTEXAS32023
PaigeTEXAS32024
TatumsOKLAHOMA22024
HobsonTEXAS21971
OakwoodTEXAS21995
CayugaTEXAS22024
CarlosTEXAS22024
BurtonTEXAS22024
ArdmoreOKLAHOMA12006

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