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Species · Idaho · BBS 2025 Release · 1966–2024

Black-throated Gray Warbler Population Trend in Idaho

All statesForest birds

Black-throated Gray Warbler in Idaho has held roughly steady: down 6% on the route-weighted index since 1986.

-6%Since 1986
7Routes In State
39Years

Notable Black-throated Gray Warbler Trends in Idaho

No notable trend signals for Black-throated Gray Warbler in Idaho. See the full index history below.

Black-throated Gray Warbler Population Forecast in Idaho

If the recent trend holds, Black-throated Gray Warbler in Idaho is projected to stay roughly flat through 2029, near 0.07 (95% range 0.00–0.20). A 5-year backtest shows a typical error of ±170.3%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.07Projected 2029 index
0.00–0.2095% range
±170.3%Backtest error
19792029
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
20250.080.000.20
20260.080.000.20
20270.080.000.20
20280.070.000.20
20290.070.000.20

Black-throated Gray Warbler Survey Routes in Idaho

Routes recording Black-throated Gray Warbler in Idaho.
Almo120221988
Silver City120151994
Kyle Canyon119951995
Triangle120241985
Magic Mtn120191993
Pocatello119861979
Dougal Res120111988

Black-throated Gray Warbler Population Trend in Other States

arizonacaliforniacoloradonevadanew-mexicooregonutahwashingtonwyoming

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