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

Golden Eagle In Northern Rockies

All regionsNorthern RockiesGeneralists

Golden Eagle in Northern Rockies has surged: up 209% on the route-weighted index since 1970.

+209%Since 1970
144Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Golden Eagle has surged in Northern Rockies: up 209% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Golden Eagle in Northern Rockies is projected to rise about 79% by 2029 — from 0.22 in 2024 to a central estimate of 0.39 (95% range 0.21–0.58). A 5-year backtest shows a typical error of ±33.3%, with 80% of held-out values landing inside the 95% band.

+79%Change by 2029
0.39Projected 2029 index
0.21–0.5895% range
±33.3%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
20250.390.200.57
20260.390.200.57
20270.390.210.57
20280.390.210.57
20290.390.210.58

Routes In Northern Rockies

Routes recording Golden Eagle in Northern Rockies.
LimaMONTANA122019
RelianceWYOMING92018
NowoodWYOMING52017
HarmonyWYOMING52022
MeeteetseWYOMING42024
CarterWYOMING42016
Clover CreekOREGON31977
KellerWASHINGTON31988
CumberlandWYOMING32023
ArmintoWYOMING32024
WamsutterWYOMING32024
WalcottWYOMING32024
PolsonMONTANA22023
Willow CreekMONTANA21980
GlenMONTANA22023
GreenoughMONTANA22000
LogdellOREGON22018
BridgeportOREGON22022
SpartaOREGON22001
TwickenhamOREGON22011
DuboisWYOMING22022
MidvaleWYOMING22022
Elk HornWYOMING22002
Bear CreekWYOMING22022
ErvayWYOMING22024

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