BirdAnalyst
Species · BCR 15 · BBS 2025 Release · 1966–2024

Golden Eagle In Sierra Nevada

All regionsSierra NevadaGeneralists

Golden Eagle in Sierra Nevada has fallen sharply: down 56% on the route-weighted index since 1979.

-56%Since 1979
14Routes In Region
27Years

Notable Signals

long arc declinecomputed index

Golden Eagle has fallen sharply in Sierra Nevada: down 56% on the route-weighted index since 1979.

Forecast

If the recent trend holds, Golden Eagle in Sierra Nevada is projected to fall about 73% by 2026 — from 0.13 in 2021 to a central estimate of 0.03 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±45.2%, with 100% of held-out values landing inside the 95% band.

-73%Change by 2026
0.03Projected 2026 index
0.00–0.1395% range
±45.2%Backtest error
19732026
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
20220.040.000.14
20230.040.000.13
20240.040.000.13
20250.040.000.13
20260.030.000.13

Routes In Sierra Nevada

Routes recording Golden Eagle in Sierra Nevada.
Bass LakeCALIFORNIA32011
Greenhorn MtCALIFORNIA22006
Silver CityCALIFORNIA22004
PaxtonCALIFORNIA22021
Eagle LakeCALIFORNIA11973
DardanelleCALIFORNIA12009
WoodfordsCALIFORNIA12016
Kings CanyonCALIFORNIA11985
SattleyCALIFORNIA11975
GeneseeCALIFORNIA12017
RivertonCALIFORNIA12004
LakeshoreCALIFORNIA11985
Little TruckeeCALIFORNIA12006
Forest HillCALIFORNIA12014

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