BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

California Towhee In Great Basin

All regionsGreat BasinGeneralists

California Towhee in Great Basin has surged: up 539% on the route-weighted index since 1983.

+539%Since 1983
6Routes In Region
38Years

Notable Signals

long arc increasecomputed index

California Towhee has surged in Great Basin: up 539% on the route-weighted index since 1983.

Forecast

If the recent trend holds, California Towhee in Great Basin is projected to rise about 82% by 2024 — from 0.10 in 2019 to a central estimate of 0.18 (95% range 0.06–0.30). A 5-year backtest shows a typical error of ±78.4%, with 100% of held-out values landing inside the 95% band.

+82%Change by 2024
0.18Projected 2024 index
0.06–0.3095% range
±78.4%Backtest error
19812024
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
20200.170.050.29
20210.170.050.29
20220.170.050.29
20230.170.060.29
20240.180.060.30

Routes In Great Basin

Routes recording California Towhee in Great Basin.
Iron GateCALIFORNIA142019
DorrisCALIFORNIA22018
MacdoelCALIFORNIA21997
Fall River MillsCALIFORNIA22011
BartleCALIFORNIA12010
Modoc PointOREGON12014

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