BirdAnalyst
Species · BCR 3 · BBS 2025 Release · 1966–2024

Wilson's Warbler In BCR 3

All regionsBCR 3Forest birds

Wilson's Warbler in BCR 3 has risen sharply: up 59% on the route-weighted index since 1998.

+59%Since 1998
4Routes In Region
21Years

Notable Signals

long arc increasecomputed index

Wilson's Warbler has risen sharply in BCR 3: up 59% on the route-weighted index since 1998.

Forecast

If the recent trend holds, Wilson's Warbler in BCR 3 is projected to fall about 39% by 2029 — from 3.8 in 2024 to a central estimate of 2.3 (95% range 0.56–4.0). A 5-year backtest shows a typical error of ±29.7%, with 80% of held-out values landing inside the 95% band.

-39%Change by 2029
2.3Projected 2029 index
0.56–4.095% range
±29.7%Backtest error
19962029
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
20252.20.433.9
20262.20.463.9
20272.20.493.9
20282.30.534.0
20292.30.564.0

Routes In BCR 3

Routes recording Wilson's Warbler in BCR 3.
Dietrich CmpALASKA72024
Red DogALASKA42024
Happy ValleyALASKA32024
Galbraith L.ALASKA12024

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