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

Song Sparrow Population Trend in Utah

All statesGeneralists

Song Sparrow in Utah has fallen sharply: down 52% on the route-weighted index since 1970.

-52%Since 1970
81Routes In State
54Years

Notable Song Sparrow Trends in Utah

long arc declinecomputed index

Song Sparrow has fallen sharply in Utah: down 52% on the route-weighted index since 1970.

Song Sparrow Population Forecast in Utah

If the recent trend holds, Song Sparrow in Utah is projected to stay roughly flat through 2029, near 1.1 (95% range 0.00–5.2). A 5-year backtest shows a typical error of ±30.8%, with 100% of held-out values landing inside the 95% band.

-8%Change by 2029
1.1Projected 2029 index
0.00–5.295% range
±30.8%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
20251.30.005.4
20261.30.005.4
20271.20.005.3
20281.20.005.3
20291.10.005.2

Song Sparrow Survey Routes in Utah

Routes recording Song Sparrow in Utah.
Hardware Ranch3220231994
Delta3020041990
Ant Flat-Ogden Can2020231994
Bear River1920231994
Hanna1720241997
Lost Cr. Res1720181995
Hyrum1519791975
Logan Canyon1120191997
Lynn1020231982
Castle Dale1020151993
Woodruff1020242002
Soapstone920221996
Dixie Nf920241993
Oak City719731973
Cleveland720011998
Wellington720011998
Uintah Nf619941987
Randolph620241994
Book Ridge620062003
Goshen520241968
Notom519941994
Newcastle520221997
Beck419871969
Hite420031992
Skyline Driv420161986

Song Sparrow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseevermontvirginiawashingtonwest-virginiawisconsinwyoming

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