Species · Montana · BBS 2025 Release · 1966–2024

Lazuli Bunting Population Trend in Montana

Lazuli Bunting in Montana has surged: up 115% on the route-weighted index since 1970.

+115%Since 1970
86Routes In State
56Years

Notable Lazuli Bunting Trends in Montana

long arc increasecomputed index

Lazuli Bunting has surged in Montana: up 115% on the route-weighted index since 1970.

Lazuli Bunting Population Forecast in Montana

If the recent trend holds, Lazuli Bunting in Montana is projected to stay roughly flat through 2029, near 1.7 (95% range 1.0–2.3). A 5-year backtest shows a typical error of ±2.7%, with 100% of held-out values landing inside the 95% band.

+1%Change by 2029
1.7Projected 2029 index
1.02.395% range
±2.7%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
20251.60.952.2
20261.60.962.3
20271.60.982.3
20281.60.992.3
20291.71.02.3

Lazuli Bunting Survey Routes in Montana

Routes recording Lazuli Bunting in Montana.
Reed Point1520241977
Clancy1520232017
Cabin Creek1120192019
Jordan1020241968
Threemile Wa1020241994
Pryor Mtn.920242001
Circle819751975
Sula820241986
Wolf Creek820222015
East Glacier Park720242015
Muddy Creek720152015
Libby Dam620241982
Cleveland620241998
Forsyth620231992
Fish Creek620242000
Freeman Creek620162015
Polson520241988
Woodman520231978
Laurel520221968
Brandenberg520191968
Thompson Riv520162014
Glen520241977
Arlee420241972
Highwood420241972
Clinton420241972

Lazuli Bunting Population Trend in Other States

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