BirdAnalyst
Species · Washington · BBS 2025 Release · 1966–2024

Lazuli Bunting Population Trend in Washington

All statesGeneralists

Lazuli Bunting in Washington has increased: up 27% on the route-weighted index since 1970.

+27%Since 1970
70Routes In State
56Years

Notable Lazuli Bunting Trends in Washington

No notable trend signals for Lazuli Bunting in Washington. See the full index history below.

Lazuli Bunting Population Forecast in Washington

If the recent trend holds, Lazuli Bunting in Washington is projected to fall about 33% by 2029 — from 3.4 in 2024 to a central estimate of 2.2 (95% range 0.96–3.5). A 5-year backtest shows a typical error of ±39.5%, with 60% of held-out values landing inside the 95% band.

-33%Change by 2029
2.2Projected 2029 index
0.96–3.595% range
±39.5%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
20252.20.903.5
20262.20.913.5
20272.20.933.5
20282.20.943.5
20292.20.963.5

Lazuli Bunting Survey Routes in Washington

Routes recording Lazuli Bunting in Washington.
Lake Chelan3820241988
Twisp2620241969
Cloverland2620241993
Nighthawk1620241993
Ellensburg1520241985
Yakima1520241993
Keller1420071968
Laurier1420221996
Chewelah820211977
Wapato820221978
Scootney Reservoir720242009
Ewan620191985
Spring Lake620241992
Blewett Pass620172005
Rimrock520231968
Northport520241996
Moses Coulee520231993
Selah420232000
Reardan420241968
Cougar420211972
Camas420091977
Everett420242016
Wilbur420241995
Deer Park420151994
Mendota 3420242009

Lazuli Bunting Population Trend in Other States

arizonacaliforniacoloradoidahokansasmontananebraskanevadanew-mexiconorth-dakotaoklahomaoregonsouth-dakotatexasutahwyoming

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