BirdAnalyst
Species · BCR 32 · BBS 2025 Release · 1966–2024

Bald Eagle In Coastal California

All regionsCoastal CaliforniaGeneralists

Bald Eagle in Coastal California has surged: up 567% on the route-weighted index since 2006.

+567%Since 2006
23Routes In Region
19Years

Notable Signals

long arc increasecomputed index

Bald Eagle has surged in Coastal California: up 567% on the route-weighted index since 2006.

Forecast

If the recent trend holds, Bald Eagle in Coastal California is projected to fall about 50% by 2029 — from 0.17 in 2024 to a central estimate of 0.09 (95% range 0.02–0.15). A 5-year backtest shows a typical error of ±62.4%, with 40% of held-out values landing inside the 95% band.

-50%Change by 2029
0.09Projected 2029 index
0.02–0.1595% range
±62.4%Backtest error
19732029
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
20250.080.010.14
20260.080.020.14
20270.080.020.14
20280.080.020.15
20290.090.020.15

Routes In Coastal California

Routes recording Bald Eagle in Coastal California.
Lake BerryessaCALIFORNIA32024
Red BluffCALIFORNIA22018
S CatalinaCALIFORNIA22013
AdelaidaCALIFORNIA22024
CrestonCALIFORNIA22019
OrovilleCALIFORNIA22012
PolomaCALIFORNIA22017
RumseyCALIFORNIA12007
HughsonCALIFORNIA12023
MorenoCALIFORNIA11973
CoalingaCALIFORNIA12022
Point ReyesCALIFORNIA12018
Cuyamaca PkCALIFORNIA12023
GlennCALIFORNIA12015
WestleyCALIFORNIA12017
LockwoodCALIFORNIA12024
Yolla BollyCALIFORNIA12022
CoyoteCALIFORNIA12019
CopperopolisCALIFORNIA12010
OnealsCALIFORNIA12024
GreenfieldCALIFORNIA12024
Lake Hemet 2CALIFORNIA12018
Hollister 2CALIFORNIA12022

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