BirdAnalyst
Species · New Mexico · BBS 2025 Release · 1966–2024

Cooper's Hawk Population Trend in New Mexico

All statesGeneralists

Cooper's Hawk in New Mexico has fallen sharply: down 71% on the route-weighted index since 1979.

-71%Since 1979TrendPercent 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 →
44Routes 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 →
40YearsYears 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 MexicoNotable 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 declinecomputed 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 fallen sharply in New Mexico: down 70% on the route-weighted index since 1979.

Cooper's Hawk Population Forecast in New Mexico

If the recent trend holds, Cooper's Hawk in New Mexico is projected to stay roughly flat through 2029, near 0.04 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±130.5%, 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 →
0.04Projected 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 →
0.00–0.1395% 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 →
±130.5%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 Mexico is projected to stay roughly flat through 2029, near 0.04 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±130.5%, 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 →
20250.050.000.13
20260.050.000.13
20270.050.000.13
20280.050.000.13
20290.040.000.13

Cooper's Hawk Survey Routes in New Mexico

Routes recording Cooper's Hawk in New Mexico.
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 →
Torreon220012001
La Plata 2220162016
Laborcita220142006
La Plata220081994
Farmington119791979
Cebolla119961981
Ojo Sarco120031973
Grenville120072007
La Cienega120172003
Pecos119971973
Fence Lake120182005
Claunch120001988
Horse Mtn120101995
San Antonio119751975
Carrizozo120182018
Gage120131983
Dulce120002000
Cloudcroft120061982
Mt. Taylor 2120212021
Magdalena120152013
Gallo Arroyo120172017
Counselor120092009
Stinking Lk.119961992
Sedan119991999
Mcgaffey120181996

Cooper's Hawk Population Trend in Other States

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

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