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

Yellow-breasted Chat In Sierra Nevada

All regionsSierra NevadaGeneralists

Yellow-breasted Chat in Sierra Nevada has surged: up 137% on the route-weighted index since 1979.

+137%Since 1979
13Routes In Region
43Years

Notable Signals

long arc increasecomputed index

Yellow-breasted Chat has surged in Sierra Nevada: up 137% on the route-weighted index since 1979.

Forecast

If the recent trend holds, Yellow-breasted Chat in Sierra Nevada is projected to fall about 19% by 2028 — from 0.18 in 2023 to a central estimate of 0.14 (95% range 0.01–0.27). A 5-year backtest shows a typical error of ±27.1%, with 100% of held-out values landing inside the 95% band.

-19%Change by 2028
0.14Projected 2028 index
0.01–0.2795% range
±27.1%Backtest error
19772028
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
20240.140.010.27
20250.140.010.27
20260.140.010.27
20270.140.010.27
20280.140.010.27

Routes In Sierra Nevada

Routes recording Yellow-breasted Chat in Sierra Nevada.
PaxtonCALIFORNIA22023
Forest HillCALIFORNIA22022
Silver CityCALIFORNIA11994
GeneseeCALIFORNIA12023
Higgins CornCALIFORNIA12015
DownievilleCALIFORNIA12022
RivertonCALIFORNIA12008
LakeshoreCALIFORNIA11990
Meadow ValleyCALIFORNIA12013
PlacervilleCALIFORNIA12001
CoultervilleCALIFORNIA12009
WawonaCALIFORNIA11998
Last ChanceCALIFORNIA11993

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