BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Cooper's Hawk In Great Basin

All regionsGreat BasinGeneralists

Cooper's Hawk in Great Basin has declined: down 28% on the route-weighted index since 1971.

-28%Since 1971
97Routes In Region
51Years

Notable Signals

No notable trend signals for Cooper's Hawk in Great Basin. See the full index history below.

Forecast

If the recent trend holds, Cooper's Hawk in Great Basin is projected to fall about 51% by 2029 — from 0.10 in 2024 to a central estimate of 0.05 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±36.3%, with 80% of held-out values landing inside the 95% band.

-51%Change by 2029
0.05Projected 2029 index
0.00–0.1095% range
±36.3%Backtest error
19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.050.000.10
20260.050.000.10
20270.050.000.10
20280.050.000.10
20290.050.000.10

Routes In Great Basin

Routes recording Cooper's Hawk in Great Basin.
PrestonIDAHO21993
Dinner StaNEVADA21968
AdrianOREGON22006
Wizard FallsOREGON22008
WapatoWASHINGTON22021
YakimaWASHINGTON22024
Lake ChelanWASHINGTON22024
RavendaleCALIFORNIA11995
Davis CreekCALIFORNIA11997
MacdoelCALIFORNIA12011
Clear Lk ResCALIFORNIA12005
BartleCALIFORNIA12017
HackamoreCALIFORNIA12006
TionestaCALIFORNIA12015
Crowder FlatCALIFORNIA12016
MadelineCALIFORNIA12001
Medicine Mtn.CALIFORNIA12021
Iron GateCALIFORNIA12009
GiffordIDAHO12017
BakerIDAHO11987
LeadoreIDAHO11979
DuboisIDAHO12008
SquirrelIDAHO12014
Blacks CreekIDAHO12001
RirieIDAHO11986

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