BirdAnalyst
Species · New York · BBS 2026 Release · 1966–2025

Cooper's Hawk Population Trend in New York

All statesBirds of prey

Cooper's Hawk in New York has surged: up 12× on the route-weighted index since 1970.

12×Since 1970TrendPercent 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 →
85Routes 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 →
53YearsYears 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 New YorkNotable 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 New York. See the full index history below.

Cooper's Hawk Population Forecast in New York

If the recent trend holds, Cooper's Hawk in New York is projected to fall about 19% by 2030 — from 0.13 in 2025 to a central estimate of 0.10 (95% range 0.05–0.16). A 5-year backtest shows a typical error of ±51.7%, with 60% of held-out values landing inside the 95% band.

-19%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 →
0.10Projected 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 →
0.05–0.1695% 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 →
±51.7%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 New York is projected to fall about 19% by 2030 — from 0.13 in 2025 to a central estimate of 0.10 (95% range 0.05–0.16). A 5-year backtest shows a typical error of ±51.7%, with 60% of held-out values landing inside the 95% band.19672030
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 →
20260.100.050.15
20270.100.050.15
20280.100.050.15
20290.100.050.16
20300.100.050.16

Cooper's Hawk Survey Routes in New York

Routes recording Cooper's Hawk in New York.
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 →
Petersburg220062006
Branchport220161995
East Java220251984
Churchville220242006
Westhampton120242024
Huntington120222022
Hauppauge120182018
Rhinebeck120162008
Highland120121967
Westbrookvle120191980
W Shokan120062006
Mt Hope119921992
Austerlitz120012001
Catskills120151992
Ghent120211990
Medusa120041970
Meridale120171977
Cobleskill120131979
Duanesburg119941986
Platte Cove119931993
Laurens120092001
Whitney Pt120161988
Coventryvile120101982
Mcdonough120072007
Corbettsvile120191978

Cooper's Hawk Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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