BirdAnalyst
Species · BCR 13 · BBS 2026 Release · 1966–2025

White-eyed Vireo In Lower Great Lakes / St. Lawrence Plain

All regionsLower Great Lakes / St. Lawrence PlainForest birds

White-eyed Vireo in Lower Great Lakes / St. Lawrence Plain has surged: up 149% on the route-weighted index since 1974.

+149%Since 1974TrendPercent 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 →
48YearsYears 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 Lower Great Lakes / St. Lawrence Plain. See the full index history below.

White-eyed Vireo In Lower Great Lakes / St. Lawrence Plain Population Forecast

If the recent trend holds, White-eyed Vireo in Lower Great Lakes / St. Lawrence Plain is projected to rise about 44% by 2030 — from 0.09 in 2025 to a central estimate of 0.12 (95% range 0.00–0.25). A 5-year backtest shows a typical error of ±111.3%, with 100% of held-out values landing inside the 95% band.

+44%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 →
0.12Projected 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 →
0.00–0.2595% 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 →
±111.3%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 Lower Great Lakes / St. Lawrence Plain is projected to rise about 44% by 2030 — from 0.09 in 2025 to a central estimate of 0.12 (95% range 0.00–0.25). A 5-year backtest shows a typical error of ±111.3%, with 100% of held-out values landing inside the 95% band.19702030
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 →
20260.120.000.25
20270.120.000.25
20280.120.000.25
20290.120.000.25
20300.120.000.25

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording White-eyed Vireo in Lower Great Lakes / St. Lawrence Plain.
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 →
LucerneOHIO32025
MaysvilleOHIO21994
HebronOHIO22024
Valley CityOHIO21996
PittsfieldOHIO12022
WaylandOHIO12000
GarrettsvileOHIO11990
StrongsvilleOHIO11994
LenoxOHIO12008
Herner CrnsOHIO12007
LattasburgOHIO12018
New SomersetOHIO11989
HiramOHIO12017
EspyvillePENNSYLVANIA12013
CloverPENNSYLVANIA12025
HarmonsburgPENNSYLVANIA12023
TeeplevillePENNSYLVANIA12024
HarrisvillePENNSYLVANIA12021

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