BirdAnalyst
Species · BCR 21 · BBS 2026 Release · 1966–2025

Fish Crow In Oaks and Prairies

All regionsOaks and PrairiesGeneralists

Fish Crow in Oaks and Prairies has surged: up 282% on the route-weighted index since 1994.

+282%Since 1994TrendPercent 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 →
16Routes 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 →
30YearsYears 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 →

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 Oaks and Prairies: up 282% on the route-weighted index since 1994.

Fish Crow In Oaks and Prairies Population Forecast

If the recent trend holds, Fish Crow in Oaks and Prairies is projected to fall about 17% by 2030 — from 0.51 in 2025 to a central estimate of 0.42 (95% range 0.17–0.68). A 5-year backtest shows a typical error of ±25.4%, with 100% 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 →
0.42Projected 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 →
0.17–0.6895% 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 →
±25.4%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 Oaks and Prairies is projected to fall about 17% by 2030 — from 0.51 in 2025 to a central estimate of 0.42 (95% range 0.17–0.68). A 5-year backtest shows a typical error of ±25.4%, with 100% of held-out values landing inside the 95% band.19832030
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 →
20260.390.140.64
20270.400.150.65
20280.410.150.66
20290.410.160.67
20300.420.170.68

Routes In Oaks and Prairies

Routes recording Fish Crow in Oaks and Prairies.
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 →
HeyburnOKLAHOMA62025
ArdmoreOKLAHOMA42025
NobleOKLAHOMA42025
SkiatookOKLAHOMA42017
HoldenvilleOKLAHOMA32025
BeggsOKLAHOMA32004
Gambill Ref.TEXAS32024
Mill CreekOKLAHOMA22025
Oak GroveTEXAS21987
LydiaTEXAS22023
DikeTEXAS22025
SadlerTEXAS22025
GreenvilleTEXAS22025
ChoctawOKLAHOMA12023
BartlesvilleOKLAHOMA12023
TatumsOKLAHOMA12024

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