BirdAnalyst
Species · BCR 11 · BBS 2025 Release · 1966–2024

Cooper's Hawk In Prairie Potholes

All regionsPrairie PotholesGeneralists

Cooper's Hawk in Prairie Potholes has risen sharply: up 65% on the route-weighted index since 1977.

+65%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 RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
41YearsYears 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 Prairie Potholes. See the full index history below.

Cooper's Hawk In Prairie Potholes Population Forecast

If the recent trend holds, Cooper's Hawk in Prairie Potholes is projected to rise about 27% by 2029 — from 0.06 in 2024 to a central estimate of 0.07 (95% range 0.01–0.13). A 5-year backtest shows a typical error of ±133.1%, with 80% of held-out values landing inside the 95% band.

+27%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 →
0.07Projected 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 →
0.01–0.1395% 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 →
±133.1%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 Prairie Potholes is projected to rise about 27% by 2029 — from 0.06 in 2024 to a central estimate of 0.07 (95% range 0.01–0.13). A 5-year backtest shows a typical error of ±133.1%, with 80% of held-out values landing inside the 95% band.19702029
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 →
20250.070.010.13
20260.070.010.13
20270.070.010.13
20280.070.010.13
20290.070.010.13

Routes In Prairie Potholes

Routes recording Cooper's Hawk in Prairie Potholes.
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 →
TrippSOUTH-DAKOTA62017
Wild RoseNORTH-DAKOTA22005
Douglas CrkNORTH-DAKOTA22019
PantherIOWA12018
ScrantonIOWA12010
TitonkaIOWA12016
MccallsburgIOWA12014
HartlandMINNESOTA12017
HuntleyMINNESOTA12013
CourtlandMINNESOTA12012
MaynardMINNESOTA12010
AppletonMINNESOTA12002
GluekMINNESOTA12012
GlyndonMINNESOTA12011
OkleeMINNESOTA12005
BeltramiMINNESOTA12024
WylieMINNESOTA12004
BadgerMINNESOTA12016
WorthingtonMINNESOTA12014
FranklinMINNESOTA12005
TracyMINNESOTA12019
Chokio NorthMINNESOTA12010
Big StoneMINNESOTA12011
ClevelandMONTANA12000
RedstoneMONTANA12014

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