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Species · Florida · BBS 2026 Release · 1966–2025

American Crow Population Trend in Florida

All statesGeneralists

American Crow in Florida has risen sharply: up 65% on the route-weighted index since 1968.

+65%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 →
112Routes 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 FloridaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

American Crow has risen sharply in Florida: up 65% on the route-weighted index since 1968.

American Crow Population Forecast in Florida

If the recent trend holds, American Crow in Florida is projected to fall about 14% by 2030 — from 34 in 2025 to a central estimate of 29 (95% range 22–36). A 5-year backtest shows a typical error of ±14.2%, with 60% of held-out values landing inside the 95% band.

-14%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 →
29Projected 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 →
22–3695% 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 →
±14.2%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 Florida is projected to fall about 14% by 2030 — from 34 in 2025 to a central estimate of 29 (95% range 22–36). A 5-year backtest shows a typical error of ±14.2%, with 60% 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 →
2026282135
2027282136
2028282136
2029292136
2030292236

American Crow Survey Routes in Florida

Routes recording American Crow in Florida.
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 →
Hildreth 213820252010
Pinetta11420251987
Dowling Park10720251987
Belmore9820241966
Devils Gardn9720251987
Blountstown9420251966
Mt. Olive8320252002
Pinecrest8120251966
Cross City7920231988
Seminole Hls6820001967
Sandy6620151987
Laurel Hill6620252010
Steinhatchee5920251966
Lovedale5820111987
Hilliard5420251966
Kenansville5420251967
Sanderson 25420242022
Mossy Head5020111966
Miccosukee4920251966
Hildreth4820091987
Croom4720251987
Island Grove4620251992
Mabel 24620252012
Callahan4420241987
New Hope4420112009

American Crow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.