BirdAnalyst
Species · BCR 29 · BBS 2025 Release · 1966–2024

American Crow In Piedmont

All regionsPiedmontGeneralists

American Crow in Piedmont has held roughly steady: up 6% on the route-weighted index since 1968.

+6%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 →
172Routes 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 Piedmont. See the full index history below.

American Crow In Piedmont Population Forecast

If the recent trend holds, American Crow in Piedmont is projected to rise about 12% by 2029 — from 42 in 2024 to a central estimate of 48 (95% range 35–61). A 5-year backtest shows a typical error of ±39.3%, with 20% of held-out values landing inside the 95% band.

+12%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 →
48Projected 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 →
35–6195% 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 →
±39.3%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 Crow in Piedmont is projected to rise about 12% by 2029 — from 42 in 2024 to a central estimate of 48 (95% range 35–61). A 5-year backtest shows a typical error of ±39.3%, with 20% 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 →
2025483561
2026483561
2027483561
2028483561
2029483561

Routes In Piedmont

Routes recording American Crow in Piedmont.
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 →
GladysVIRGINIA1492024
Barton CreekSOUTH-CAROLINA1282022
DavidVIRGINIA892013
TrymeVIRGINIA852024
LincolntonGEORGIA802017
Liberty CityALABAMA792011
Curry HillGEORGIA792019
MetasvilleGEORGIA722000
EkloMARYLAND722018
DurhamNORTH-CAROLINA722024
BullockNORTH-CAROLINA712024
IrisburgVIRGINIA712024
MillervilleALABAMA682024
Plum BranchSOUTH-CAROLINA682024
YoungsvilleNORTH-CAROLINA672024
Yates CrossroadsGEORGIA662024
ClimaxNORTH-CAROLINA662024
CampobelloSOUTH-CAROLINA662024
AthensGEORGIA652024
OsmondNORTH-CAROLINA652024
TaylorstownVIRGINIA652010
OlneyMARYLAND642024
WarfieldsbrgMARYLAND632024
EmmitsburgMARYLAND622024
SawmillNORTH-CAROLINA622024

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