BirdAnalyst
Species · BCR 10 · BBS 2025 Release · 1966–2024

Cooper's Hawk In Northern Rockies

All regionsNorthern RockiesGeneralists

Cooper's Hawk in Northern Rockies has edged down: down 13% on the route-weighted index since 1974.

-13%Since 1974
95Routes In Region
46Years

Notable Signals

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

Forecast

If the recent trend holds, Cooper's Hawk in Northern Rockies is projected to fall about 24% by 2029 — from 0.07 in 2024 to a central estimate of 0.05 (95% range 0.01–0.10). A 5-year backtest shows a typical error of ±37.7%, with 80% of held-out values landing inside the 95% band.

-24%Change by 2029
0.05Projected 2029 index
0.01–0.1095% range
±37.7%Backtest error
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 index95% low95% high
20250.050.000.10
20260.050.000.10
20270.050.000.10
20280.050.000.10
20290.050.010.10

Routes In Northern Rockies

Routes recording Cooper's Hawk in Northern Rockies.
BarnhouseOREGON32021
ChallisIDAHO22019
Rochat DivdeIDAHO22014
ChestnutMONTANA22024
Red RockMONTANA21992
NinemileMONTANA22018
Fish CreekMONTANA22023
UnityOREGON21998
CusickWASHINGTON22017
BasinWYOMING22017
WalcottWYOMING21999
Browns ParkCOLORADO12015
LayCOLORADO12002
NaplesIDAHO12008
MivodenIDAHO12017
AveryIDAHO12022
Lolo PassIDAHO12005
CascadeIDAHO11970
CentervilleIDAHO12008
CoolinIDAHO12023
CabartonIDAHO12003
Salmon RiverIDAHO11991
FeathervilleIDAHO12016
N Fork Cda RIDAHO12007
Libby DamMONTANA11984

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