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

Fish Crow Population Trend in Arkansas

All statesGeneralists

Fish Crow in Arkansas has surged: up 393% on the route-weighted index since 1969.

+393%Since 1969TrendPercent 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 →
53Routes 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 →
57YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Fish Crow Trends in ArkansasNotable 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 →

Fish Crow has surged in Arkansas: up 393% on the route-weighted index since 1969.

Fish Crow Population Forecast in Arkansas

If the recent trend holds, Fish Crow in Arkansas is projected to rise about 91% by 2029 — from 1.2 in 2024 to a central estimate of 2.2 (95% range 1.1–3.4). A 5-year backtest shows a typical error of ±72.6%, with 80% of held-out values landing inside the 95% band.

+91%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 →
2.2Projected 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 →
1.1–3.495% 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 →
±72.6%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, Fish Crow in Arkansas is projected to rise about 91% by 2029 — from 1.2 in 2024 to a central estimate of 2.2 (95% range 1.1–3.4). A 5-year backtest shows a typical error of ±72.6%, with 80% of held-out values landing inside the 95% band.19672029
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 →
20252.10.943.3
20262.20.973.4
20272.21.03.4
20282.21.03.4
20292.21.13.4

Fish Crow Survey Routes in Arkansas

Routes recording Fish Crow in Arkansas.
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 →
Coal Hill1220231969
Blakely919991988
Ashdown820231975
South Bend720231973
Stark520241970
Compton520221969
Maynard420241978
Stamps320241983
Hollywood320241992
Russell320212010
England320242018
Gillett320242014
Lockesburg320192010
Crowley'S Ridge320242012
Augusta 2320162002
Ramsey219821968
Hope220241981
Crows219831967
Harrisburg220191993
Augusta220011968
Massard220221969
Ravenden Springs220152010
Havana220212010
Sims220122012
Springhill220222010

Fish Crow Population Trend in Other States

alabamaconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmississippimissourinew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawest-virginia

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