BirdAnalyst
Species · BCR 24 · BBS 2026 Release · 1966–2025

Fish Crow In Central Hardwoods

All regionsCentral HardwoodsGeneralists

Fish Crow in Central Hardwoods has surged: up 41× on the route-weighted index since 1971.

41×Since 1971TrendPercent 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 →
62Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
53YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable 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 Central Hardwoods. See the full index history below.

Fish Crow In Central Hardwoods Population Forecast

If the recent trend holds, Fish Crow in Central Hardwoods is projected to fall about 17% by 2030 — from 0.99 in 2025 to a central estimate of 0.82 (95% range 0.56–1.1). A 5-year backtest shows a typical error of ±28.1%, with 40% of held-out values landing inside the 95% band.

-17%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 →
0.82Projected 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 →
0.56–1.195% 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 →
±28.1%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 Central Hardwoods is projected to fall about 17% by 2030 — from 0.99 in 2025 to a central estimate of 0.82 (95% range 0.56–1.1). A 5-year backtest shows a typical error of ±28.1%, with 40% of held-out values landing inside the 95% band.19692030
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 →
20260.750.491.0
20270.770.511.0
20280.790.521.0
20290.800.541.1
20300.820.561.1

Routes In Central Hardwoods

Routes recording Fish Crow in Central Hardwoods.
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 →
PulaskiMISSOURI162025
BelknapILLINOIS122025
PinevilleMISSOURI92025
ReedsMISSOURI82023
BremenILLINOIS72025
CascadeMISSOURI72025
RoyaltonILLINOIS62025
MorganfieldKENTUCKY62025
ComptonARKANSAS52022
MarshfieldMISSOURI52023
YellvilleARKANSAS42025
PulaskiILLINOIS42025
SanduskyILLINOIS42023
ColcordOKLAHOMA42022
RussellARKANSAS32021
KarnakILLINOIS32025
MillersburgINDIANA32024
DrakesboroKENTUCKY31976
WhitewaterMISSOURI32024
Osage BeachMISSOURI32022
GranitevilleMISSOURI32023
ViburnumMISSOURI32023
Ravenden SpringsARKANSAS22015
Cave In RockILLINOIS22023
AkersMISSOURI22025

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