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

Yellow-breasted Chat In Coastal California

All regionsCoastal CaliforniaGeneralists

Yellow-breasted Chat in Coastal California has surged: up 84% on the route-weighted index since 1970.

+84%Since 1970
50Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Yellow-breasted Chat has surged in Coastal California: up 84% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Yellow-breasted Chat in Coastal California is projected to rise about 77% by 2029 — from 0.43 in 2024 to a central estimate of 0.75 (95% range 0.07–1.4). A 5-year backtest shows a typical error of ±153.5%, with 80% of held-out values landing inside the 95% band.

+77%Change by 2029
0.75Projected 2029 index
0.07–1.495% range
±153.5%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
20250.730.051.4
20260.740.051.4
20270.740.061.4
20280.750.061.4
20290.750.071.4

Routes In Coastal California

Routes recording Yellow-breasted Chat in Coastal California.
Jofegan 2CALIFORNIA132024
San YsidroCALIFORNIA82019
FolsomCALIFORNIA52024
JofeganCALIFORNIA42018
Red BluffCALIFORNIA22022
CalpellaCALIFORNIA21986
Yokohl ValCALIFORNIA21981
OnoCALIFORNIA22012
Cp. PendletonCALIFORNIA22004
JacumbaCALIFORNIA21986
CrestonCALIFORNIA21982
Gold HillCALIFORNIA22023
JacksonCALIFORNIA21984
OrovilleCALIFORNIA22024
TehamaCALIFORNIA22022
ReddingCALIFORNIA21983
TomheadCALIFORNIA22009
PenningtonCALIFORNIA11973
RumseyCALIFORNIA11987
Santa YnezCALIFORNIA12018
Foster ParkCALIFORNIA11990
MorenoCALIFORNIA12018
Oak GroveCALIFORNIA12009
HollisterCALIFORNIA12003
Orange CoveCALIFORNIA12004

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