BirdAnalyst
Species · Texas · BBS 2026 Release · 1966–2025

Fish Crow Population Trend in Texas

All statesGeneralists

Fish Crow in Texas has surged: up 555% on the route-weighted index since 1977.

+555%Since 1977TrendPercent 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 →
26Routes 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 →
38YearsYears 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 TexasNotable 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 Texas. See the full index history below.

Fish Crow Population Forecast in Texas

If the recent trend holds, Fish Crow in Texas is projected to stay roughly flat through 2030, near 0.17 (95% range 0.08–0.26). A 5-year backtest shows a typical error of ±56%, with 80% of held-out values landing inside the 95% band.

-2%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 →
0.17Projected 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 →
0.08–0.2695% 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 →
±56%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 Texas is projected to stay roughly flat through 2030, near 0.17 (95% range 0.08–0.26). A 5-year backtest shows a typical error of ±56%, with 80% of held-out values landing inside the 95% band.19682030
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 →
20260.160.070.25
20270.160.070.25
20280.160.070.25
20290.170.070.26
20300.170.080.26

Fish Crow Survey Routes in Texas

Routes recording Fish Crow in Texas.
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 →
Liberty Hill1020251977
Neches Bith720172016
New Waverly619861986
Smyrna 2520252011
Smyrna520101995
Lance Rosier Bith320192015
Gambill Ref.320241995
Winnie219881988
Stowell219901974
Livingston220252023
Oak Grove219871983
Lydia220231995
Dike220252006
Sadler220252009
Greenville220252023
Chandler 2120242024
Diboll120242024
Caledonia120222022
Port Acres120251994
Morton120252023
Crossroads120242005
Chandler119681968
Easton 2120252014
Alexander St120252023
Bon Wier120232017

Fish Crow Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmississippimissourinew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseevermontvirginiawest-virginia

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