BirdAnalyst
Species · Louisiana · BBS 2025 Release · 1966–2024

Cooper's Hawk Population Trend in Louisiana

All statesGeneralists

Cooper's Hawk in Louisiana has edged down: down 21% on the route-weighted index since 1973.

-21%Since 1973TrendPercent 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 →
52Routes 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 →
39YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Cooper's Hawk Trends in LouisianaNotable 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 Cooper's Hawk in Louisiana. See the full index history below.

Cooper's Hawk Population Forecast in Louisiana

If the recent trend holds, Cooper's Hawk in Louisiana is projected to stay roughly flat through 2029, near 0.09 (95% range 0.00–0.19). A 5-year backtest shows a typical error of ±130.7%, with 100% of held-out values landing inside the 95% band.

n/aChange 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 →
0.09Projected 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 →
0.00–0.1995% 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 →
±130.7%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, Cooper's Hawk in Louisiana is projected to stay roughly flat through 2029, near 0.09 (95% range 0.00–0.19). A 5-year backtest shows a typical error of ±130.7%, with 100% of held-out values landing inside the 95% band.19682029
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 →
20250.090.000.19
20260.090.000.19
20270.090.000.19
20280.090.000.19
20290.090.000.19

Cooper's Hawk Survey Routes in Louisiana

Routes recording Cooper's Hawk in Louisiana.
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 →
Junior219911988
Longstreet220091999
Esther220082007
Trout220081999
Brousville220212009
Flat Creek220142006
Haughton120042004
Lafitte119911976
Morgan City119781978
River Road120212009
Lacombe119791979
Roseland120142007
Bickham120151998
Keystone120132001
Plettenberg120041974
Fort Jessup120092009
Ivan120132013
Hackberry120132008
De Ridder120151969
Shaw119961996
Atchafalaya120062006
Baton Rouge120192013
Fishville119731973
Cypress119751975
Mer Rouge120082008

Cooper's Hawk Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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