BirdAnalyst
Species · BCR 2 · BBS 2025 Release · 1966–2024

Wilson's Warbler In BCR 2

All regionsBCR 2Forest birds

Wilson's Warbler in BCR 2 has declined: down 48% on the route-weighted index since 1985.

-48%Since 1985
23Routes In Region
41Years

Notable Signals

No notable trend signals for Wilson's Warbler in BCR 2. See the full index history below.

Forecast

If the recent trend holds, Wilson's Warbler in BCR 2 is projected to rise about 50% by 2029 — from 21 in 2024 to a central estimate of 31 (95% range 8.6–53). A 5-year backtest shows a typical error of ±45.4%, with 100% of held-out values landing inside the 95% band.

+50%Change by 2029
31Projected 2029 index
8.6–5395% range
±45.4%Backtest error
19832029
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
2025318.853
2026318.853
2027318.753
2028318.753
2029318.653

Routes In BCR 2

Routes recording Wilson's Warbler in BCR 2.
KodiakALASKA911984
DillinghamALASKA782019
Kodiak 2ALASKA492024
ChiniakALASKA482024
Gweek RiverALASKA472002
King SalmonALASKA442024
Katmai N.P.ALASKA412022
Dillingham (Short)ALASKA401984
Togiak RiverALASKA382005
Kanektok RivALASKA242005
Goodnews BayALASKA212005
CouncilALASKA182024
NomeALASKA182023
TupuknukALASKA181995
St. Mary'SALASKA162014
Salmon LakeALASKA112024
TellerALASKA62024
Cape NomeALASKA42024
Selawik (Short)ALASKA41987
KotzebueALASKA32024
Kotzebue (Short)ALASKA31994
Cold BayALASKA22024
Kugarak (Short)ALASKA11987

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