BirdAnalyst
Species · BCR 28 · BBS 2026 Release · 1966–2025

Common Yellowthroat In Appalachian Mountains

All regionsAppalachian MountainsForest birds

Common Yellowthroat in Appalachian Mountains has edged down: down 18% on the route-weighted index since 1968.

-18%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 →
399Routes 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 Appalachian Mountains. See the full index history below.

Common Yellowthroat In Appalachian Mountains Population Forecast

If the recent trend holds, Common Yellowthroat in Appalachian Mountains is projected to stay roughly flat through 2030, near 10 (95% range 7.5–13). A 5-year backtest shows a typical error of ±15.5%, with 100% of held-out values landing inside the 95% band.

+3%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 →
10Projected 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 →
7.5–1395% 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 →
±15.5%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 Appalachian Mountains is projected to stay roughly flat through 2030, near 10 (95% range 7.5–13). A 5-year backtest shows a typical error of ±15.5%, 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 →
2026107.813
2027107.713
2028107.713
2029107.613
2030107.513

Routes In Appalachian Mountains

Routes recording Common Yellowthroat in Appalachian Mountains.
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 →
PaintsvilleKENTUCKY881995
StaffordsvilKENTUCKY601997
DrydenNEW-YORK502025
OmegaOHIO482024
SigelPENNSYLVANIA482025
McdonoughNEW-YORK462017
DresdenOHIO432025
S Berne 2NEW-YORK412025
OxfordNEW-YORK401976
OneontaNEW-YORK382025
N WashingtonPENNSYLVANIA382025
EldredPENNSYLVANIA372022
JenningsMARYLAND362025
MeridaleNEW-YORK362025
English CtrPENNSYLVANIA351989
JeffersonPENNSYLVANIA352025
S BerneNEW-YORK342013
CattaraugusNEW-YORK342019
RoulettePENNSYLVANIA342021
AustinvillePENNSYLVANIA342025
StonecreekOHIO332025
ArnotPENNSYLVANIA332025
PoyntellePENNSYLVANIA332025
StarlightPENNSYLVANIA321999
KehoeKENTUCKY311992

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