Species · Utah · BBS 2025 Release · 1966–2024
Cassin's Kingbird Population Trend in Utah
Cassin's Kingbird in Utah has edged up: up 16% on the route-weighted index since 1988.
+16%Since 1988
25Routes In State
38Years
Notable Cassin's Kingbird Trends in Utah
No notable trend signals for Cassin's Kingbird in Utah. See the full index history below.
Cassin's Kingbird Population Forecast in Utah
If the recent trend holds, Cassin's Kingbird in Utah is projected to stay roughly flat through 2029, near 0.44 (95% range 0.05–0.82). A 5-year backtest shows a typical error of ±34.8%, with 80% of held-out values landing inside the 95% band.
+8%Change by 2029
0.44Projected 2029 index
0.05–0.8295% range
±34.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.42 | 0.04 | 0.81 |
| 2026 | 0.43 | 0.04 | 0.81 |
| 2027 | 0.43 | 0.04 | 0.82 |
| 2028 | 0.43 | 0.05 | 0.82 |
| 2029 | 0.44 | 0.05 | 0.82 |
Cassin's Kingbird Survey Routes in Utah
| Hite | 49 | 2023 | 1986 |
| Hatch | 10 | 2024 | 1994 |
| Aneth | 9 | 2014 | 1987 |
| Shivwitz | 5 | 2024 | 1997 |
| Glen Canyon | 4 | 2024 | 1991 |
| Canyonlands | 4 | 2016 | 1986 |
| Canyonlands | 3 | 2006 | 1993 |
| Moquith Mtn | 3 | 2024 | 1987 |
| Hanksville | 2 | 2012 | 1991 |
| Bicknell | 2 | 2008 | 2008 |
| Green River | 2 | 2013 | 2010 |
| Beryl | 2 | 2021 | 1988 |
| Boulder | 1 | 2012 | 1989 |
| Fayette | 1 | 1993 | 1993 |
| Gilson Butte | 1 | 2004 | 2004 |
| La Sal | 1 | 1998 | 1998 |
| Lake Powell | 1 | 2007 | 2000 |
| Canyon Rims | 1 | 2024 | 2003 |
| Newcastle | 1 | 2010 | 2009 |
| Alton | 1 | 2018 | 1997 |
| Escalante | 1 | 2023 | 2006 |
| La Sal 3 | 1 | 2007 | 2007 |
| Main Canyon | 1 | 1997 | 1997 |
| Cane Spr Des | 1 | 1998 | 1993 |
| Blanding | 1 | 2024 | 1987 |
Cassin's Kingbird Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.