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Species · BCR 14 · BBS 2025 Release · 1966–2024

Common Yellowthroat In Atlantic Northern Forest

All regionsAtlantic Northern ForestForest birds

Common Yellowthroat in Atlantic Northern Forest has held roughly steady: down 2% on the route-weighted index since 1968.

-2%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 →
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 →

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 11% by 2029 — from 18 in 2024 to a central estimate of 16 (95% range 12–21). A 5-year backtest shows a typical error of ±10.4%, with 100% of held-out values landing inside the 95% band.

-11%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 →
16Projected 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 →
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 →
±10.4%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 11% by 2029 — from 18 in 2024 to a central estimate of 16 (95% range 12–21). A 5-year backtest shows a typical error of ±10.4%, with 100% 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 →
2025171221
2026161221
2027161221
2028161221
2029161221

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
BrooksMAINE452019
HudsonMAINE402016
PittsfieldMASSACHUSETTS402016
WashburnMAINE382005
HermonMAINE372019
CornvilleMAINE372024
HarmonyMAINE362024
ChesterfieldMASSACHUSETTS362024
East HavenVERMONT362024
Ft FairfieldMAINE352005
StoweVERMONT352024
BentonMAINE341980
DegrasseNEW-YORK342024
Dixville Notch 2NEW-HAMPSHIRE332024
WatervilleVERMONT331980
CharlestonMAINE322019
CanterburyNEW-HAMPSHIRE312024
Dixvil NotchNEW-HAMPSHIRE312017
HardwickVERMONT302024
DebloisMAINE292007
KasoagNEW-YORK292024
HighmarketNEW-YORK292024
ManchesterMAINE281995
SabattisNEW-YORK281983

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