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

California Towhee In Sierra Nevada

All regionsSierra NevadaGeneralists

California Towhee in Sierra Nevada has held roughly steady: down 6% on the route-weighted index since 1970.

-6%Since 1970
17Routes In Region
56Years

Notable Signals

No notable trend signals for California Towhee in Sierra Nevada. See the full index history below.

Forecast

If the recent trend holds, California Towhee in Sierra Nevada is projected to rise about 24% by 2029 — from 1.6 in 2024 to a central estimate of 2.0 (95% range 0.00–4.4). A 5-year backtest shows a typical error of ±97.9%, with 100% of held-out values landing inside the 95% band.

+24%Change by 2029
2.0Projected 2029 index
0.00–4.495% range
±97.9%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
20252.10.004.5
20262.10.004.5
20272.10.004.5
20282.00.004.5
20292.00.004.4

Routes In Sierra Nevada

Routes recording California Towhee in Sierra Nevada.
KernvilleCALIFORNIA222008
Bass LakeCALIFORNIA172019
Higgins CornCALIFORNIA152024
Silver CityCALIFORNIA132013
Kings CanyonCALIFORNIA102024
Greenhorn MtCALIFORNIA72008
PlacervilleCALIFORNIA42024
Cottage SpgsCALIFORNIA31972
WawonaCALIFORNIA22024
Tuolumne GroveCALIFORNIA12000
SattleyCALIFORNIA11974
DownievilleCALIFORNIA11988
RivertonCALIFORNIA12023
Hat CreekCALIFORNIA11988
LakeshoreCALIFORNIA12010
Forest HillCALIFORNIA12022
CoultervilleCALIFORNIA12019

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