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

Cooper's Hawk Population Trend in Missouri

All statesGeneralists

Cooper's Hawk in Missouri has surged: up 129% on the route-weighted index since 1977.

+129%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 →
57Routes 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 →
48YearsYears 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 MissouriNotable 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 →

Cooper's Hawk has surged in Missouri: up 129% on the route-weighted index since 1977.

Cooper's Hawk Population Forecast in Missouri

If the recent trend holds, Cooper's Hawk in Missouri is projected to rise about 75% by 2029 — from 0.06 in 2024 to a central estimate of 0.10 (95% range 0.03–0.18). A 5-year backtest shows a typical error of ±81.6%, with 100% of held-out values landing inside the 95% band.

+75%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 →
0.10Projected 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 →
0.03–0.1895% 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 →
±81.6%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 Missouri is projected to rise about 75% by 2029 — from 0.06 in 2024 to a central estimate of 0.10 (95% range 0.03–0.18). A 5-year backtest shows a typical error of ±81.6%, with 100% of held-out values landing inside the 95% band.19732029
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 →
20250.100.020.18
20260.100.020.18
20270.100.030.18
20280.100.030.18
20290.100.030.18

Cooper's Hawk Survey Routes in Missouri

Routes recording Cooper's Hawk in Missouri.
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 →
Marshfield320122006
Handley219901990
Diamond220152015
Trenton220172017
Clementine 2220062006
Frankford220052004
Deventer120121984
Pulaski120231983
Peace Valley119981981
Sweden119881980
Cassville120051993
Pineville120231982
Cp Girardeau120242003
Cascade120081978
Ironton119801980
Akers120142003
Wesco119771977
Clementine120021976
Graydon120151993
Filley120162016
Norborne120222022
New Hampton120242019
Hayden120152015
Danville120111984
Syracuse120181973

Cooper's Hawk Population Trend in Other States

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

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