Species · California · BBS 2025 Release · 1966–2024

Green-tailed Towhee Population Trend in California

Green-tailed Towhee in California has surged: up 110% on the route-weighted index since 1970.

+110%Since 1970
85Routes In State
56Years

Notable Green-tailed Towhee Trends in California

long arc increasecomputed index

Green-tailed Towhee has surged in California: up 110% on the route-weighted index since 1970.

Green-tailed Towhee Population Forecast in California

If the recent trend holds, Green-tailed Towhee in California is projected to rise about 14% by 2029 — from 2.5 in 2024 to a central estimate of 2.9 (95% range 1.8–3.9). A 5-year backtest shows a typical error of ±14%, with 100% of held-out values landing inside the 95% band.

+14%Change by 2029
2.9Projected 2029 index
1.83.995% range
±14%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
20252.81.83.9
20262.81.83.9
20272.91.83.9
20282.91.83.9
20292.91.83.9

Green-tailed Towhee Survey Routes in California

Routes recording Green-tailed Towhee in California.
Bodie8420241982
Big Bear4019861969
Crowley Lake3920241972
Valyermo3420191970
Deep Springs2720221972
Little Truckee2320231997
Pine Mountain2220171997
Eagle Lake2020241969
Last Chance1920191993
Chilcoot1820241998
Benton1320241973
Westville1220241971
Dardanelle1120191972
Johnsville1120241975
South Fork Mtn1120222000
Ship Mtn.1020161995
Crestview1020241997
Tionesta820211997
Medicine Mtn.720152000
Woodfords620241973
Macdoel619931976
Bridgeport619771973
Mt Shasta620191978
Cottage Spgs519681968
Green Valley520221970

Green-tailed Towhee Population Trend in Other States

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