BirdAnalyst
Species · Nevada · BBS 2025 Release · 1966–2024

Fox Sparrow Population Trend in Nevada

All statesGeneralists

Fox Sparrow in Nevada has held roughly steady: down 4% on the route-weighted index since 1995.

-4%Since 1995
11Routes In State
25Years

Notable Fox Sparrow Trends in Nevada

No notable trend signals for Fox Sparrow in Nevada. See the full index history below.

Fox Sparrow Population Forecast in Nevada

If the recent trend holds, Fox Sparrow in Nevada is projected to stay roughly flat through 2029, near 0.06 (95% range 0.00–0.52). A 5-year backtest shows a typical error of ±181.4%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.06Projected 2029 index
0.00–0.5295% range
±181.4%Backtest error
19932029
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
20250.100.000.55
20260.090.000.55
20270.080.000.54
20280.070.000.53
20290.060.000.52

Fox Sparrow Survey Routes in Nevada

Routes recording Fox Sparrow in Nevada.
Hawthorne1220011997
Ruby Valley720011999
Austin620182016
Humboldt Nf420191993
Chimney Res.220152014
Jarbidge120141997
Comins Lake120062006
Fish Creek120192008
Charleston Reservoir120242024
Toiyabe Nf120172017
Willis120091995

Fox Sparrow Population Trend in Other States

alaskacaliforniacoloradoidahomainemontanaoregonutahwashingtonwyoming

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