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Species · BCR 14 · BBS 2026 Release · 1966–2025

Red-eyed Vireo In Atlantic Northern Forest

All regionsAtlantic Northern ForestForest birds

Red-eyed Vireo in Atlantic Northern Forest has surged: up 122% on the route-weighted index since 1968.

+122%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 →
156Routes 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 →
59YearsYears 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 →

Red-eyed Vireo has surged in Atlantic Northern Forest: up 122% on the route-weighted index since 1968.

Red-eyed Vireo In Atlantic Northern Forest Population Forecast

If the recent trend holds, Red-eyed Vireo in Atlantic Northern Forest is projected to stay roughly flat through 2030, near 48 (95% range 38–59). A 5-year backtest shows a typical error of ±8%, with 100% of held-out values landing inside the 95% band.

-7%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 →
48Projected 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 →
38–5995% 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 →
±8%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, Red-eyed Vireo in Atlantic Northern Forest is projected to stay roughly flat through 2030, near 48 (95% range 38–59). A 5-year backtest shows a typical error of ±8%, with 100% of held-out values landing inside the 95% band.19662030
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 →
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2030483859

Routes In Atlantic Northern Forest

Routes recording Red-eyed Vireo in Atlantic Northern Forest.
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 →
NorthfieldMAINE1241981
InletNEW-YORK1232017
MontereyMASSACHUSETTS1052025
ChesterfieldMASSACHUSETTS1022025
PittsfieldMASSACHUSETTS972016
GlenNEW-HAMPSHIRE922025
Northfld FlsVERMONT872025
StoweVERMONT872024
Jeffers NtchNEW-HAMPSHIRE842025
East HavenVERMONT822025
GaysvilleVERMONT792025
Old ForgeNEW-YORK782006
SabattisNEW-YORK781983
LandgroveVERMONT772025
WilmotNEW-HAMPSHIRE752025
WanakenaNEW-YORK752025
Old Forge 2NEW-YORK752019
HardwickVERMONT752024
LudlowMAINE741998
CanterburyNEW-HAMPSHIRE732025
MarlboroVERMONT732025
StrattonVERMONT722025
Otisfield GrMAINE702015
N OrangeMASSACHUSETTS702025
Hope FallsNEW-YORK701995

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