Species · Idaho · BBS 2025 Release · 1966–2024

Spotted Towhee Population Trend in Idaho

Spotted Towhee in Idaho has surged: up 108% on the route-weighted index since 1971.

+108%Since 1971
46Routes In State
53Years

Notable Spotted Towhee Trends in Idaho

long arc increasecomputed index

Spotted Towhee has surged in Idaho: up 108% on the route-weighted index since 1971.

Spotted Towhee Population Forecast in Idaho

If the recent trend holds, Spotted Towhee in Idaho is projected to stay roughly flat through 2029, near 2.1 (95% range 0.74–3.4). A 5-year backtest shows a typical error of ±19.1%, with 100% of held-out values landing inside the 95% band.

-7%Change by 2029
2.1Projected 2029 index
0.743.495% range
±19.1%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
20252.00.663.4
20262.00.683.4
20272.00.703.4
20282.10.723.4
20292.10.743.4

Spotted Towhee Survey Routes in Idaho

Routes recording Spotted Towhee in Idaho.
Featherville1720241989
Gifford1120171971
Coolin1120241986
Joel1120241989
Salmon River1020211988
Centerville720191972
Naples620241975
Magic Mtn620241987
Almo520231988
Nezperce420121968
Rochat Divde420231993
Leadore320151995
Pocatello320191990
Avery220231980
N Fork Cda R220011995
Craters220171986
Cobalt220241999
Crane Creek220191989
Silver City220231989
Picabo220211991
Daniels Res220191989
Blackft Res120121985
Mivoden120221990
Lolo Pass120151993
Grangeville119951987

Spotted Towhee Population Trend in Other States

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