BirdAnalyst
Species · BCR 37 · BBS 2025 Release · 1966–2024

Fish Crow In Gulf Coastal Prairie

All regionsGulf Coastal PrairieGeneralists

Fish Crow in Gulf Coastal Prairie has surged: up 107% on the route-weighted index since 1969.

+107%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 →
55YearsYears 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 107% 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 fall about 36% by 2029 — from 1.8 in 2024 to a central estimate of 1.2 (95% range 0.00–3.5). A 5-year backtest shows a typical error of ±18.3%, with 100% of held-out values landing inside the 95% band.

-36%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 →
1.2Projected 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 →
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 →
±18.3%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 fall about 36% by 2029 — from 1.8 in 2024 to a central estimate of 1.2 (95% range 0.00–3.5). A 5-year backtest shows a typical error of ±18.3%, with 100% 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 →
20251.30.003.7
20261.20.003.6
20271.20.003.6
20281.20.003.6
20291.20.003.5

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
Vinton 2LOUISIANA212024
GlencoeLOUISIANA112018
Forked IslandLOUISIANA112019
Hackberry 2LOUISIANA62024
Port AcresTEXAS62024
Gran ChenierLOUISIANA41980
HackberryLOUISIANA42016
EstherLOUISIANA42024
Forked Island 2LOUISIANA42011
MauriceLOUISIANA22023
WoodlawnLOUISIANA22021
WinnieTEXAS21988
StowellTEXAS21990
LafitteLOUISIANA11979
KaplanLOUISIANA12023
RichardLOUISIANA12024
Ltl ChenierLOUISIANA12013
Ville PlatteLOUISIANA12011
VintonLOUISIANA12009

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