Species · Utah · BBS 2025 Release · 1966–2024
Green-tailed Towhee Population Trend in Utah
Green-tailed Towhee in Utah has risen sharply: up 60% on the route-weighted index since 1970.
+60%Since 1970
68Routes In State
56Years
Notable Green-tailed Towhee Trends in Utah
long arc increasecomputed index
Green-tailed Towhee has risen sharply in Utah: up 60% on the route-weighted index since 1970.
Green-tailed Towhee Population Forecast in Utah
If the recent trend holds, Green-tailed Towhee in Utah is projected to rise about 76% by 2029 — from 4.4 in 2024 to a central estimate of 7.8 (95% range 0.00–17). A 5-year backtest shows a typical error of ±88.1%, with 100% of held-out values landing inside the 95% band.
+76%Change by 2029
7.8Projected 2029 index
0.00–1795% range
±88.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 7.6 | 0.00 | 17 |
| 2026 | 7.6 | 0.00 | 17 |
| 2027 | 7.7 | 0.00 | 17 |
| 2028 | 7.7 | 0.00 | 17 |
| 2029 | 7.8 | 0.00 | 17 |
Green-tailed Towhee Survey Routes in Utah
| Altonah | 73 | 2015 | 1968 |
| Beck 2 | 62 | 2018 | 1990 |
| Lost Cr. Res | 56 | 2018 | 1995 |
| Fish Lake Nf | 53 | 2024 | 1992 |
| Beck | 41 | 1987 | 1971 |
| Grizzly Rdge | 34 | 2024 | 1987 |
| Moon Lake 2 | 29 | 2023 | 2004 |
| Richfield | 26 | 2019 | 1994 |
| Ant Flat-Ogden Can | 25 | 2023 | 1994 |
| Grouse Creek | 23 | 1983 | 1982 |
| Gooseberry | 22 | 2024 | 1994 |
| Woodruff | 20 | 2024 | 2002 |
| Ferron | 20 | 2022 | 2000 |
| Crawford Mts | 19 | 2023 | 2002 |
| Randolph | 19 | 2024 | 1992 |
| M Warner Res | 19 | 2024 | 1993 |
| Dixie Nf | 19 | 2024 | 1994 |
| Bryce Canyon | 16 | 2024 | 1990 |
| Fayette | 11 | 2021 | 1992 |
| La Sal 3 | 11 | 2024 | 2007 |
| Logan Canyon | 10 | 2019 | 1997 |
| Moon Lake | 10 | 2003 | 1993 |
| Pine Creek | 10 | 2018 | 1999 |
| E. Bear Lake | 9 | 2022 | 1995 |
| Lynn | 9 | 2023 | 1982 |
Green-tailed Towhee Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.