BirdAnalyst
Species · Tennessee · BBS 2026 Release · 1966–2025

American Crow Population Trend in Tennessee

All statesGeneralists

American Crow in Tennessee has held roughly steady: up 8% on the route-weighted index since 1968.

+8%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 →
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 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 rise about 31% by 2030 — from 30 in 2025 to a central estimate of 39 (95% range 32–47). A 5-year backtest shows a typical error of ±23.8%, with 40% of held-out values landing inside the 95% band.

+31%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 →
39Projected 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 →
32–4795% 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 →
±23.8%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 rise about 31% by 2030 — from 30 in 2025 to a central estimate of 39 (95% range 32–47). A 5-year backtest shows a typical error of ±23.8%, with 40% 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 →
2026393146
2027393147
2028393147
2029393247
2030393247

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 →
Mansfield7620251966
Jones Gap6420191982
Big Sandy5820251966
Silerton5120241966
Jasper4820251967
Collinwood4420251966
Whiteville4320251966
Union Hill4320241967
Indian Mound4119981966
Indian Mound 24120232004
Climer4020041967
Trace Collinwood4020182015
Silver Pt3920241966
Jefferson Cty3920111966
Trace Lewis3720172013
Walland3619891966
Moscow3520251966
Belotes Bend3520181966
Peytonsville3520251966
Bradyville3520211966
Signal Mtn3420251979
Sweetlips3420231966
Wrigley3120221966
Glen3120251966
Trenton2920231966

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 2026-08-14.