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
0.004.295% range
±60.4%Backtest error
19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20252.00.004.2
20262.00.004.2
20272.00.004.2
20282.00.004.2
20291.90.004.2

Lazuli Bunting Survey Routes in Utah

Routes recording Lazuli Bunting in Utah.
Hardware Ranch5520231994
Hyrum2719791975
Soapstone1720241992
Skyline Driv1720161986
Uintah Nf1619941988
Lost Cr. Res1520181995
Ant Flat-Ogden Can1420231994
La Sal 21320062003
Heber Mtn.1220241996
Newcastle1020221997
Navajo Lake920242000
Gooseberry820241996
Goose Creek Mtn.820232002
Beaver620241968
Wellington 3520242013
Altonah420061975
Goshen420241973
Wellington 2420102005
Beck 2420181990
Promontory320242010
Oak City320241972
Castleton319851969
Fayette320211993
Castle Dale320142001
Hanna320241997

Lazuli Bunting Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.