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

Cooper's Hawk Population Trend in Minnesota

All statesGeneralists

Cooper's Hawk in Minnesota has risen sharply: up 55% on the route-weighted index since 1975.

+55%Since 1975TrendPercent 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 →
48Routes 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 MinnesotaNotable 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 risen sharply in Minnesota: up 55% on the route-weighted index since 1975.

Cooper's Hawk Population Forecast in Minnesota

If the recent trend holds, Cooper's Hawk in Minnesota is projected to fall about 13% by 2029 — from 0.09 in 2024 to a central estimate of 0.08 (95% range 0.02–0.14). A 5-year backtest shows a typical error of ±57.8%, with 100% of held-out values landing inside the 95% band.

-13%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 →
0.08Projected 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 →
0.02–0.1495% 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 →
±57.8%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 Minnesota is projected to fall about 13% by 2029 — from 0.09 in 2024 to a central estimate of 0.08 (95% range 0.02–0.14). A 5-year backtest shows a typical error of ±57.8%, with 100% of held-out values landing inside the 95% band.19692029
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 →
20250.080.020.14
20260.080.020.14
20270.080.020.14
20280.080.020.14
20290.080.020.14

Cooper's Hawk Survey Routes in Minnesota

Routes recording Cooper's Hawk in Minnesota.
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 →
Knapp319971993
Osseo220191996
St Stephen220061977
Edwards220241986
Money Creek120242010
Hartland120172005
Huntley120132009
Sherburne Nr120171992
Ash Creek120172013
Millville119951995
Lakeville120181995
Minnetonka120231969
Tamarac Nwr120161995
Courtland120121999
Big Stone120112003
Maynard120102010
Princeton120081987
Appleton120021996
Gluek120122012
Wigwam Bay120131984
Mille Lacs120192012
Backus119841984
Pine River119981988
Glyndon120111996
Floodwood119721972

Cooper's Hawk Population Trend in Other States

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

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