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Species · BCR 28 · BBS 2025 Release · 1966–2024

American Crow In Appalachian Mountains

All regionsAppalachian MountainsGeneralists

American Crow in Appalachian Mountains has held roughly steady: down 1% on the route-weighted index since 1968.

-1%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 →
405Routes 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 American Crow in Appalachian Mountains. See the full index history below.

American Crow In Appalachian Mountains Population Forecast

If the recent trend holds, American Crow in Appalachian Mountains is projected to rise about 18% by 2029 — from 32 in 2024 to a central estimate of 38 (95% range 30–46). A 5-year backtest shows a typical error of ±38.6%, with 0% of held-out values landing inside the 95% band.

+18%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 →
38Projected 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 →
30–4695% 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 →
±38.6%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 Crow in Appalachian Mountains is projected to rise about 18% by 2029 — from 32 in 2024 to a central estimate of 38 (95% range 30–46). A 5-year backtest shows a typical error of ±38.6%, with 0% 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 →
2025383046
2026383046
2027383046
2028383046
2029383046

Routes In Appalachian Mountains

Routes recording American Crow 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 →
CoshoctonOHIO1161991
GainesvilleNEW-YORK1142023
BramwellWEST-VIRGINIA1102023
BlacksburgVIRGINIA1062024
Nat TunnelVIRGINIA982024
ChurchvilleVIRGINIA942024
OneontaNEW-YORK862024
ScheafferstnPENNSYLVANIA812001
ChoccoloccoALABAMA772024
MartinsburgWEST-VIRGINIA772024
Signal MtnTENNESSEE722024
TalladegaALABAMA712024
Rural RetrtVIRGINIA702024
SturgillsNORTH-CAROLINA692024
DresdenOHIO692024
BetulaPENNSYLVANIA672022
KeeneOHIO662023
StarlightPENNSYLVANIA661999
Pocono Summit 2PENNSYLVANIA662010
DearmanvilleALABAMA651983
HendersonvilNORTH-CAROLINA652024
HebronVIRGINIA652022
Jones GapTENNESSEE642019
Cumberlnd GpKENTUCKY632018
MckeeKENTUCKY632024

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