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

Fish Crow Population Trend in Florida

All statesGeneralists

Fish Crow in Florida has declined: down 40% on the route-weighted index since 1968.

-40%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 →
114Routes 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 Fish 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 →

No notable trend signals for Fish Crow in Florida. See the full index history below.

Fish Crow Population Forecast in Florida

If the recent trend holds, Fish Crow in Florida is projected to rise about 12% by 2029 — from 5.2 in 2024 to a central estimate of 5.9 (95% range 2.0–9.8). A 5-year backtest shows a typical error of ±29.4%, with 100% of held-out values landing inside the 95% band.

+12%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 →
5.9Projected 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 →
2.0–9.895% 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 →
±29.4%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 Florida is projected to rise about 12% by 2029 — from 5.2 in 2024 to a central estimate of 5.9 (95% range 2.0–9.8). A 5-year backtest shows a typical error of ±29.4%, 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 →
20256.52.610
20266.32.510
20276.22.310
20286.02.29.9
20295.92.09.8

Fish Crow Survey Routes in Florida

Routes recording Fish 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 →
Alturas9819861971
Vero Beach5320221993
Sebastian5019921987
Kissimmee3620241987
Winter Gardn3020191987
Dale Mabry2719881966
Boca Raton2619941968
Seminole Hills 22520222002
Miller Xrds2420191987
Citrus Park2420241989
Mabel 22220192012
Mt. Olive1920242002
Scottsmoor1820241968
Ft Gadsden1720241969
Pinetta1720241990
Seminole Hls1520001967
Davie1520171987
Lovedale1520111987
Port St Joe1420141967
San Antonio1420241967
Alligator Pt1420241987
Indiantown1320171966
New Hope1320112009
Port St Joe 21320192015
Doctors Inlet 21320182008

Fish Crow Population Trend in Other States

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

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