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

Common Yellowthroat In Atlantic Northern Forest

All regionsAtlantic Northern ForestForest birds

Common Yellowthroat in Atlantic Northern Forest has held roughly steady: down 0% on the route-weighted index since 1968.

-0%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 →

No notable trend signals for Common Yellowthroat in Atlantic Northern Forest. See the full index history below.

Common Yellowthroat In Atlantic Northern Forest Population Forecast

If the recent trend holds, Common Yellowthroat in Atlantic Northern Forest is projected to fall about 15% by 2030 — from 19 in 2025 to a central estimate of 16 (95% range 12–21). A 5-year backtest shows a typical error of ±14%, with 100% of held-out values landing inside the 95% band.

-15%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 →
16Projected 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 →
12–2195% 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 →
±14%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, Common Yellowthroat in Atlantic Northern Forest is projected to fall about 15% by 2030 — from 19 in 2025 to a central estimate of 16 (95% range 12–21). A 5-year backtest shows a typical error of ±14%, 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 →
2026171221
2027171221
2028171221
2029161221
2030161221

Routes In Atlantic Northern Forest

Routes recording Common Yellowthroat 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 →
NorthfieldMAINE501981
HarmonyMAINE472025
East TroyMAINE462021
ChesterfieldMASSACHUSETTS422025
BrooksMAINE412021
HermonMAINE402021
HudsonMAINE402016
PittsfieldMASSACHUSETTS402016
FletcherVERMONT392025
WashburnMAINE382005
GreensboroVERMONT382025
Ft FairfieldMAINE352005
KasoagNEW-YORK352025
MiddlesexVERMONT352025
StoweVERMONT352024
BentonMAINE341980
WatervilleVERMONT331980
StratfordNEW-HAMPSHIRE322025
LandgroveVERMONT322025
Dixvil NotchNEW-HAMPSHIRE312017
Dixville Notch 2NEW-HAMPSHIRE312025
CornvilleMAINE302025
HardwickVERMONT302024
DebloisMAINE292007
CanterburyNEW-HAMPSHIRE292025

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