BirdAnalyst
Species · BCR 19 · BBS 2026 Release · 1966–2025

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 819% on the route-weighted index since 1972.

+819%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 →
27YearsYears 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 →

No notable trend signals for White-eyed Vireo in Central Mixed Grass Prairie. See the full index history below.

White-eyed Vireo In Central Mixed Grass Prairie Population Forecast

If the recent trend holds, White-eyed Vireo in Central Mixed Grass Prairie is projected to fall about 39% by 2030 — from 0.40 in 2025 to a central estimate of 0.25 (95% range 0.08–0.41). A 5-year backtest shows a typical error of ±99.3%, with 60% of held-out values landing inside the 95% band.

-39%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 →
0.25Projected 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 →
0.08–0.4195% 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 →
±99.3%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 fall about 39% by 2030 — from 0.40 in 2025 to a central estimate of 0.25 (95% range 0.08–0.41). A 5-year backtest shows a typical error of ±99.3%, with 60% of held-out values landing inside the 95% band.19682030
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 →
20260.230.060.40
20270.230.070.40
20280.240.070.41
20290.240.070.41
20300.250.080.41

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 EastOKLAHOMA152025
Wichita Mts WestOKLAHOMA62025
Shields 2TEXAS42025
DouglasOKLAHOMA22009
Pear ValleyTEXAS22025
WinchellTEXAS22025
GraybackTEXAS22009
ShieldsTEXAS22001
RandlettOKLAHOMA12022
CookietownOKLAHOMA12006
VerdenOKLAHOMA11972
Eagle CityOKLAHOMA11971
CoopertonOKLAHOMA12024
SicklesOKLAHOMA12017
JetOKLAHOMA12014
MertzonTEXAS12012
WallTEXAS12018
CharlieTEXAS12024

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