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

American Robin In Appalachian Mountains

All regionsAppalachian MountainsForest birds

American Robin in Appalachian Mountains has held roughly steady: down 7% on the route-weighted index since 1968.

-7%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 →
406Routes 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 American Robin in Appalachian Mountains. See the full index history below.

American Robin In Appalachian Mountains Population Forecast

If the recent trend holds, American Robin in Appalachian Mountains is projected to stay roughly flat through 2030, near 43 (95% range 38–47). A 5-year backtest shows a typical error of ±2.3%, with 100% of held-out values landing inside the 95% band.

+0%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 →
43Projected 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 →
38–4795% 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 →
±2.3%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, American Robin in Appalachian Mountains is projected to stay roughly flat through 2030, near 43 (95% range 38–47). A 5-year backtest shows a typical error of ±2.3%, 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 →
2026433947
2027433947
2028433847
2029433847
2030433847

Routes In Appalachian Mountains

Routes recording American Robin 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 →
BrunnervillePENNSYLVANIA1882009
MeadlandWEST-VIRGINIA1732025
PortersvillePENNSYLVANIA1541988
WilliamsportMARYLAND1512025
SardisPENNSYLVANIA1441974
MiddletownPENNSYLVANIA1352025
BeaverPENNSYLVANIA1332025
RydePENNSYLVANIA1302005
JenningsMARYLAND1272025
DuvallPENNSYLVANIA1272021
DoylesburgPENNSYLVANIA1272023
OmegaOHIO1262024
GeeseytownPENNSYLVANIA1182025
MillvillePENNSYLVANIA1172025
RalstonPENNSYLVANIA1161978
NormalvillePENNSYLVANIA1101974
ClimerTENNESSEE1092004
WallerPENNSYLVANIA1062025
Schaefferstown 2PENNSYLVANIA1062025
RoulettePENNSYLVANIA1042021
Wild CreekPENNSYLVANIA1032025
CorbettsvileNEW-YORK1012025
StonecreekOHIO1012025
BirminghamOHIO992024
MartinsburgPENNSYLVANIA992025

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