Species · Utah · BBS 2025 Release · 1966–2024

Black-throated Sparrow Population Trend in Utah

Black-throated Sparrow in Utah has surged: up 14× on the route-weighted index since 1971.

14×Since 1971
81Routes In State
52Years

Notable Black-throated Sparrow Trends in Utah

long arc increasecomputed index

Black-throated Sparrow has surged in Utah: up 14× on the route-weighted index since 1971.

Black-throated Sparrow Population Forecast in Utah

If the recent trend holds, Black-throated Sparrow in Utah is projected to rise about 48% by 2029 — from 8.2 in 2024 to a central estimate of 12 (95% range 3.9–21). A 5-year backtest shows a typical error of ±34.1%, with 100% of held-out values landing inside the 95% band.

+48%Change by 2029
12Projected 2029 index
3.92195% range
±34.1%Backtest error
19692029
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
2025123.320
2026123.420
2027123.620
2028123.720
2029123.921

Black-throated Sparrow Survey Routes in Utah

Routes recording Black-throated Sparrow in Utah.
Shivwitz6620241992
Notom5920241987
Arches Np4920111989
Tule Valley4420131999
Glen Canyon3120241993
Bullfrog Bay3120172000
Desert View3020241987
Canyonlands3020061991
Canyonlands2920241986
Notch Peak2820241986
Hite2620231986
Salt Springs2520241986
Moquith Mtn2520241995
Callao2320241992
Gold Hill2220241987
Hatch2020241994
Vernal1919991999
Gilson Butte1820041993
Hanksville1720241986
Aneth1720241986
Gandy1720151997
Stock Res1520211986
Wellington 31420242012
Dragerton1420221986
Fish Springs1320241987

Black-throated Sparrow Population Trend in Other States

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