BirdAnalyst
Species · BCR 18 · BBS 2025 Release · 1966–2024

Cooper's Hawk In Shortgrass Prairie

All regionsShortgrass PrairieGeneralists

Cooper's Hawk in Shortgrass Prairie has held roughly steady: down 3% on the route-weighted index since 1992.

-3%Since 1992TrendPercent 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 →
19Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
19YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable 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 Shortgrass Prairie. See the full index history below.

Cooper's Hawk In Shortgrass Prairie Population Forecast

If the recent trend holds, Cooper's Hawk in Shortgrass Prairie is projected to fall about 77% by 2029 — from 0.06 in 2024 to a central estimate of 0.01 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±70.4%, with 60% of held-out values landing inside the 95% band.

-77%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 →
0.01Projected 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 →
0.00–0.0495% 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 →
±70.4%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 Shortgrass Prairie is projected to fall about 77% by 2029 — from 0.06 in 2024 to a central estimate of 0.01 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±70.4%, with 60% 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 →
20250.010.000.04
20260.010.000.04
20270.010.000.04
20280.010.000.04
20290.010.000.04

Routes In Shortgrass Prairie

Routes recording Cooper's Hawk in Shortgrass Prairie.
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 →
Pine RidgeNEBRASKA42024
FlemingCOLORADO11969
KiowaCOLORADO12010
WaverlyCOLORADO12008
VillegreenCOLORADO12012
Doyle BridgeCOLORADO11994
ElbertCOLORADO12011
PaxtonNEBRASKA12015
DaltonNEBRASKA12022
GrenvilleNEW-MEXICO12007
SedanNEW-MEXICO11999
VariaderoNEW-MEXICO12006
SabinosoNEW-MEXICO12006
CircleTEXAS12023
MentoneTEXAS12011
TwichellTEXAS12002
CheyenneWYOMING11980
ChugwaterWYOMING12024
Pine BluffWYOMING12015

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