Species · Utah · BBS 2025 Release · 1966–2024
Lazuli Bunting Population Trend in Utah
Lazuli Bunting in Utah has surged: up 136% on the route-weighted index since 1970.
+136%Since 1970
76Routes In State
54Years
Notable Lazuli Bunting Trends in Utah
long arc increasecomputed index
Lazuli Bunting has surged in Utah: up 136% on the route-weighted index since 1970.
Lazuli Bunting Population Forecast in Utah
If the recent trend holds, Lazuli Bunting in Utah is projected to rise about 37% by 2029 — from 1.4 in 2024 to a central estimate of 1.9 (95% range 0.00–4.2). A 5-year backtest shows a typical error of ±60.4%, with 100% of held-out values landing inside the 95% band.
+37%Change by 2029
1.9Projected 2029 index
0.00–4.295% range
±60.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.0 | 0.00 | 4.2 |
| 2026 | 2.0 | 0.00 | 4.2 |
| 2027 | 2.0 | 0.00 | 4.2 |
| 2028 | 2.0 | 0.00 | 4.2 |
| 2029 | 1.9 | 0.00 | 4.2 |
Lazuli Bunting Survey Routes in Utah
| Hardware Ranch | 55 | 2023 | 1994 |
| Hyrum | 27 | 1979 | 1975 |
| Soapstone | 17 | 2024 | 1992 |
| Skyline Driv | 17 | 2016 | 1986 |
| Uintah Nf | 16 | 1994 | 1988 |
| Lost Cr. Res | 15 | 2018 | 1995 |
| Ant Flat-Ogden Can | 14 | 2023 | 1994 |
| La Sal 2 | 13 | 2006 | 2003 |
| Heber Mtn. | 12 | 2024 | 1996 |
| Newcastle | 10 | 2022 | 1997 |
| Navajo Lake | 9 | 2024 | 2000 |
| Gooseberry | 8 | 2024 | 1996 |
| Goose Creek Mtn. | 8 | 2023 | 2002 |
| Beaver | 6 | 2024 | 1968 |
| Wellington 3 | 5 | 2024 | 2013 |
| Altonah | 4 | 2006 | 1975 |
| Goshen | 4 | 2024 | 1973 |
| Wellington 2 | 4 | 2010 | 2005 |
| Beck 2 | 4 | 2018 | 1990 |
| Promontory | 3 | 2024 | 2010 |
| Oak City | 3 | 2024 | 1972 |
| Castleton | 3 | 1985 | 1969 |
| Fayette | 3 | 2021 | 1993 |
| Castle Dale | 3 | 2014 | 2001 |
| Hanna | 3 | 2024 | 1997 |
Lazuli Bunting Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.