Species · Utah · BBS 2025 Release · 1966–2024
Sora Population Trend in Utah
Sora in Utah has surged: up 91% on the route-weighted index since 1992.
+91%Since 1992
26Routes In State
34Years
Notable Sora Trends in Utah
long arc increasecomputed index
Sora has surged in Utah: up 91% on the route-weighted index since 1992.
Sora Population Forecast in Utah
If the recent trend holds, Sora in Utah is projected to rise about 104% by 2029 — from 0.07 in 2024 to a central estimate of 0.14 (95% range 0.01–0.27). A 5-year backtest shows a typical error of ±192.7%, with 80% of held-out values landing inside the 95% band.
+104%Change by 2029
0.14Projected 2029 index
0.01–0.2795% range
±192.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.14 | 0.00 | 0.27 |
| 2026 | 0.14 | 0.00 | 0.27 |
| 2027 | 0.14 | 0.00 | 0.27 |
| 2028 | 0.14 | 0.00 | 0.27 |
| 2029 | 0.14 | 0.01 | 0.27 |
Sora Survey Routes in Utah
| Neponset Res | 5 | 2018 | 1995 |
| Promontory | 2 | 2008 | 2005 |
| Lynn | 2 | 2010 | 1991 |
| Goose Creek Mtn. | 2 | 2019 | 2019 |
| Saleratus Cr | 1 | 2016 | 1996 |
| Grizzly Rdge | 1 | 2023 | 2023 |
| Dragerton | 1 | 1996 | 1996 |
| Bryce Canyon | 1 | 2011 | 2011 |
| Woodruff | 1 | 2024 | 2007 |
| Navajo Lake | 1 | 2006 | 2006 |
| Randolph | 1 | 2024 | 1992 |
| Grouse Creek | 1 | 1986 | 1986 |
| Vernon | 1 | 2001 | 1996 |
| Soapstone | 1 | 1992 | 1992 |
| Bear River | 1 | 2023 | 1994 |
| M Warner Res | 1 | 2024 | 2023 |
| Callao | 1 | 2024 | 2014 |
| Castle Dale | 1 | 2010 | 2010 |
| Gooseberry | 1 | 2003 | 2003 |
| Dixie Nf | 1 | 1994 | 1994 |
| Vernal | 1 | 2012 | 2007 |
| Bicknell | 1 | 2007 | 1997 |
| Alton | 1 | 2010 | 1999 |
| Hardware Ranch | 1 | 1998 | 1998 |
| Uintah Nf | 1 | 1994 | 1994 |
Sora Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.