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

American Crow Population Trend in Tennessee

All statesGeneralists

American Crow in Tennessee has edged up: up 14% on the route-weighted index since 1968.

+14%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 →
55Routes 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 TennesseeNotable 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 Tennessee. See the full index history below.

American Crow Population Forecast in Tennessee

If the recent trend holds, American Crow in Tennessee is projected to stay roughly flat through 2029, near 40 (95% range 33–47). A 5-year backtest shows a typical error of ±28%, with 40% of held-out values landing inside the 95% band.

+10%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 →
40Projected 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 →
33–4795% 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 →
±28%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 Tennessee is projected to stay roughly flat through 2029, near 40 (95% range 33–47). A 5-year backtest shows a typical error of ±28%, with 40% 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 →
2025393247
2026393247
2027403247
2028403247
2029403347

American Crow Survey Routes in Tennessee

Routes recording American Crow in Tennessee.
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 →
Collinwood7720241966
Signal Mtn7220241979
Mansfield7020241966
Jones Gap6420191982
Jasper5420241967
Big Sandy5220241966
Silerton5120241966
Moscow4420241966
Union Hill4320241967
Indian Mound4119981966
Indian Mound 24120232004
Climer4020041967
Trace Collinwood4020182015
Silver Pt3920241966
Jefferson Cty3920111966
Trace Lewis3720172013
Walland3619891966
Belotes Bend3520181966
Bradyville3520211966
Sweetlips3420231966
Humboldt3320241966
Peytonsville3320241966
Cades Cove3320241989
Glen3220241966
Wrigley3120221966

American Crow Population Trend in Other States

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

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