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

American Robin In Coastal California

American Robin in Coastal California has surged: up 109% on the route-weighted index since 1970.

+109%Since 1970
113Routes In Region
56Years

Notable Signals

long arc increasecomputed index

American Robin has surged in Coastal California: up 109% on the route-weighted index since 1970.

Forecast

If the recent trend holds, American Robin in Coastal California is projected to rise about 25% by 2029 — from 9.3 in 2024 to a central estimate of 12 (95% range 8.3–15). A 5-year backtest shows a typical error of ±31.9%, with 80% of held-out values landing inside the 95% band.

+25%Change by 2029
12Projected 2029 index
8.31595% range
±31.9%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
2025118.015
2026118.115
2027118.215
2028128.215
2029128.315

Routes In Coastal California

Routes recording American Robin in Coastal California.
Collegeville 2CALIFORNIA552023
Point ReyesCALIFORNIA462023
PescaderoCALIFORNIA402024
GravesboroCALIFORNIA331995
Green ValleyCALIFORNIA332023
JacksonCALIFORNIA321992
AthloneCALIFORNIA302007
PenningtonCALIFORNIA292024
CaruthersCALIFORNIA281987
WestleyCALIFORNIA272024
CohassetCALIFORNIA262024
Mt Pinos 2CALIFORNIA242024
HughsonCALIFORNIA232024
OrovilleCALIFORNIA232024
OrlandCALIFORNIA222022
MoragaCALIFORNIA212024
TiptonCALIFORNIA211997
Staten Is.CALIFORNIA212024
Harbor LakeCALIFORNIA201991
AtwaterCALIFORNIA202012
AuburnCALIFORNIA191980
Big BearCALIFORNIA181986
Mark WestCALIFORNIA172024
Waterman GapCALIFORNIA172024
FairfaxCALIFORNIA152024

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