BirdAnalyst
Species · BCR 19 · BBS 2025 Release · 1966–2024

White-eyed Vireo In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieForest birds

White-eyed Vireo in Central Mixed Grass Prairie has surged: up 568% on the route-weighted index since 1972.

+568%Since 1972TrendPercent 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 →
18Routes 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 →
26YearsYears 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 →

White-eyed Vireo has surged in Central Mixed Grass Prairie: up 568% on the route-weighted index since 1972.

Forecast

If the recent trend holds, White-eyed Vireo in Central Mixed Grass Prairie is projected to stay roughly flat through 2029, near 0.22 (95% range 0.07–0.38). A 5-year backtest shows a typical error of ±114.5%, with 80% of held-out values landing inside the 95% band.

n/aChange 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 →
0.22Projected 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 →
0.07–0.3895% 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 →
±114.5%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, White-eyed Vireo in Central Mixed Grass Prairie is projected to stay roughly flat through 2029, near 0.22 (95% range 0.07–0.38). A 5-year backtest shows a typical error of ±114.5%, with 80% of held-out values landing inside the 95% band.19682029
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 →
20250.210.060.36
20260.210.060.37
20270.220.060.37
20280.220.070.37
20290.220.070.38

Routes In Central Mixed Grass Prairie

Routes recording White-eyed Vireo in Central Mixed Grass Prairie.
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 →
Wichita Mtns EastOKLAHOMA62022
Wichita Mts WestOKLAHOMA62022
WinchellTEXAS52023
DouglasOKLAHOMA22009
GraybackTEXAS22009
ShieldsTEXAS22001
RandlettOKLAHOMA12022
CookietownOKLAHOMA12006
VerdenOKLAHOMA11972
Eagle CityOKLAHOMA11971
CoopertonOKLAHOMA12024
SicklesOKLAHOMA12017
JetOKLAHOMA12014
Pear ValleyTEXAS12024
MertzonTEXAS12012
WallTEXAS12018
CharlieTEXAS12024
Shields 2TEXAS12023

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