BirdAnalyst
Species · BCR 24 · BBS 2025 Release · 1966–2024

White-eyed Vireo In Central Hardwoods

All regionsCentral HardwoodsForest birds

White-eyed Vireo in Central Hardwoods has risen sharply: up 71% on the route-weighted index since 1968.

+71%Since 1968TrendPercent 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 →
164Routes 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 Central Hardwoods: up 71% on the route-weighted index since 1968.

Forecast

If the recent trend holds, White-eyed Vireo in Central Hardwoods is projected to stay roughly flat through 2029, near 8.2 (95% range 6.2–10). A 5-year backtest shows a typical error of ±19.7%, with 60% of held-out values landing inside the 95% band.

-4%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 →
8.2Projected 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 →
6.2–1095% 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 →
±19.7%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 Hardwoods is projected to stay roughly flat through 2029, near 8.2 (95% range 6.2–10). A 5-year backtest shows a typical error of ±19.7%, with 60% of held-out values landing inside the 95% band.19662029
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 →
20257.95.910.0
20268.05.910
20278.16.010
20288.16.110
20298.26.210

Routes In Central Hardwoods

Routes recording White-eyed Vireo in Central Hardwoods.
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 →
SanduskyILLINOIS672023
TrianaALABAMA472012
CollinwoodTENNESSEE392024
GranitevilleMISSOURI342024
Indian Mound 2TENNESSEE342023
Cave In RockILLINOIS332024
DelwoodILLINOIS312024
JoyKENTUCKY312023
Osage BeachMISSOURI302024
RupertARKANSAS292024
MarshallARKANSAS292021
CascadeMISSOURI272024
Silver PtTENNESSEE262024
SwaimALABAMA232024
CourtlandALABAMA232023
Beaverdam LkILLINOIS232023
HegiraKENTUCKY232024
BelmontINDIANA212024
ApexKENTUCKY212024
BelknapILLINOIS192024
Wheeler DamALABAMA182023
BremenILLINOIS182024
PulaskiILLINOIS172024
CentervilleMISSOURI172024
ElkmontALABAMA162024

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