BirdAnalyst
Species · BCR 37 · BBS 2026 Release · 1966–2025

Fish Crow In Gulf Coastal Prairie

All regionsGulf Coastal PrairieGeneralists

Fish Crow in Gulf Coastal Prairie has surged: up 114% on the route-weighted index since 1969.

+114%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 →
20Routes 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 →
56YearsYears 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 Gulf Coastal Prairie: up 114% on the route-weighted index since 1969.

Fish Crow In Gulf Coastal Prairie Population Forecast

If the recent trend holds, Fish Crow in Gulf Coastal Prairie is projected to stay roughly flat through 2030, near 1.1 (95% range 0.00–3.5). A 5-year backtest shows a typical error of ±15.1%, with 100% of held-out values landing inside the 95% band.

-9%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 →
1.1Projected 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 →
0.00–3.595% 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 →
±15.1%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 Gulf Coastal Prairie is projected to stay roughly flat through 2030, near 1.1 (95% range 0.00–3.5). A 5-year backtest shows a typical error of ±15.1%, with 100% of held-out values landing inside the 95% band.19672030
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 →
20261.20.003.6
20271.20.003.6
20281.20.003.5
20291.10.003.5
20301.10.003.5

Routes In Gulf Coastal Prairie

Routes recording Fish Crow in Gulf Coastal Prairie.
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 →
CreoleLOUISIANA211987
GlencoeLOUISIANA112018
Forked IslandLOUISIANA112019
EstherLOUISIANA82025
Vinton 2LOUISIANA82025
RichardLOUISIANA62025
Gran ChenierLOUISIANA41980
HackberryLOUISIANA42016
Hackberry 2LOUISIANA42025
Forked Island 2LOUISIANA42011
MauriceLOUISIANA22023
WoodlawnLOUISIANA22021
WinnieTEXAS21988
StowellTEXAS21990
LafitteLOUISIANA11979
KaplanLOUISIANA12023
Ltl ChenierLOUISIANA12013
Ville PlatteLOUISIANA12011
VintonLOUISIANA12009
Port AcresTEXAS12025

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