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
3.9–2195% range
±34.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 12 | 3.3 | 20 |
| 2026 | 12 | 3.4 | 20 |
| 2027 | 12 | 3.6 | 20 |
| 2028 | 12 | 3.7 | 20 |
| 2029 | 12 | 3.9 | 21 |
Black-throated Sparrow Survey Routes in Utah
| Shivwitz | 66 | 2024 | 1992 |
| Notom | 59 | 2024 | 1987 |
| Arches Np | 49 | 2011 | 1989 |
| Tule Valley | 44 | 2013 | 1999 |
| Glen Canyon | 31 | 2024 | 1993 |
| Bullfrog Bay | 31 | 2017 | 2000 |
| Desert View | 30 | 2024 | 1987 |
| Canyonlands | 30 | 2006 | 1991 |
| Canyonlands | 29 | 2024 | 1986 |
| Notch Peak | 28 | 2024 | 1986 |
| Hite | 26 | 2023 | 1986 |
| Salt Springs | 25 | 2024 | 1986 |
| Moquith Mtn | 25 | 2024 | 1995 |
| Callao | 23 | 2024 | 1992 |
| Gold Hill | 22 | 2024 | 1987 |
| Hatch | 20 | 2024 | 1994 |
| Vernal | 19 | 1999 | 1999 |
| Gilson Butte | 18 | 2004 | 1993 |
| Hanksville | 17 | 2024 | 1986 |
| Aneth | 17 | 2024 | 1986 |
| Gandy | 17 | 2015 | 1997 |
| Stock Res | 15 | 2021 | 1986 |
| Wellington 3 | 14 | 2024 | 2012 |
| Dragerton | 14 | 2022 | 1986 |
| Fish Springs | 13 | 2024 | 1987 |
Black-throated Sparrow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.