BirdAnalyst
Species · Vermont · BBS 2025 Release · 1966–2024

American Crow Population Trend in Vermont

All statesGeneralists

American Crow in Vermont 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 →
26Routes In StateSurvey 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 American Crow Trends in VermontNotable 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 Vermont. See the full index history below.

American Crow Population Forecast in Vermont

If the recent trend holds, American Crow in Vermont is projected to stay roughly flat through 2029, near 31 (95% range 23–38). A 5-year backtest shows a typical error of ±9.6%, with 100% of held-out values landing inside the 95% band.

-6%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 →
31Projected 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 →
23–3895% 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 →
±9.6%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 Vermont is projected to stay roughly flat through 2029, near 31 (95% range 23–38). A 5-year backtest shows a typical error of ±9.6%, 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 →
2025302338
2026302338
2027302338
2028302338
2029312338

American Crow Survey Routes in Vermont

Routes recording American Crow in Vermont.
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 →
Hardwick6620241966
St Johnsbury5720241970
Greensboro5220241967
Middlesex4320241968
Fletcher4320241968
East Haven3820241966
W Rutland3720241966
Gaysville3420211966
S Wallingfrd3420221966
Colchester3420241986
Shaftsbury3220241966
S Reading3120241966
Hinesburg3119941966
Grand Isle3120241967
Stowe3120241988
Bristol2920181995
Waterville2419801967
North Pownal2320241966
Post Mills2120241966
Landgrove1820241966
Newbury 21520232005
East Calais1420241966
Newbury1420041986
Stratton920241966
Northfld Fls820211980

American Crow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvirginiawashingtonwest-virginiawisconsinwyoming

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