BirdAnalyst
Species · BCR 37 · BBS 2026 Release · 1966–2025

White-eyed Vireo In Gulf Coastal Prairie

All regionsGulf Coastal PrairieForest birds

White-eyed Vireo in Gulf Coastal Prairie has risen sharply: up 59% on the route-weighted index since 1969.

+59%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 →
43Routes 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 →

White-eyed Vireo has risen sharply in Gulf Coastal Prairie: up 59% on the route-weighted index since 1969.

White-eyed Vireo In Gulf Coastal Prairie Population Forecast

If the recent trend holds, White-eyed Vireo in Gulf Coastal Prairie is projected to rise about 50% by 2030 — from 3.2 in 2025 to a central estimate of 4.8 (95% range 2.6–7.0). A 5-year backtest shows a typical error of ±35.3%, with 100% of held-out values landing inside the 95% band.

+50%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 →
4.8Projected 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 →
2.6–7.095% 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 →
±35.3%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 Gulf Coastal Prairie is projected to rise about 50% by 2030 — from 3.2 in 2025 to a central estimate of 4.8 (95% range 2.6–7.0). A 5-year backtest shows a typical error of ±35.3%, 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 →
20264.52.36.8
20274.62.46.8
20284.72.46.9
20294.72.56.9
20304.82.67.0

Routes In Gulf Coastal Prairie

Routes recording White-eyed Vireo in Gulf Coastal 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 →
LafitteLOUISIANA211991
Vinton 2LOUISIANA192025
VintonLOUISIANA162009
L. Atascosa NwrTEXAS142025
Loyola BeachTEXAS122009
Sabine Nwr 2LOUISIANA102017
McfaddinTEXAS82016
Rock IslandTEXAS72025
BaysideTEXAS72003
Goliad PrairieTEXAS72016
GlencoeLOUISIANA62018
EstherLOUISIANA62025
Hinkles FerTEXAS62025
San PedroTEXAS62023
Moon Lake 2TEXAS42025
HackberryLOUISIANA32016
MauriceLOUISIANA32024
Ltl ChenierLOUISIANA32010
Oyster LakeTEXAS32025
Moon LakeTEXAS32011
Bayside 3TEXAS32025
Ville PlatteLOUISIANA22019
Lag AtascosaTEXAS22025
Loyola Beach 2TEXAS22024
Bayside 2TEXAS22004

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