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

Varied Thrush In BCR 2

All regionsBCR 2Forest birds

Varied Thrush in BCR 2 has held roughly steady: down 4% on the route-weighted index since 1985.

-4%Since 1985
16Routes In Region
41Years

Notable Signals

No notable trend signals for Varied Thrush in BCR 2. See the full index history below.

Forecast

If the recent trend holds, Varied Thrush in BCR 2 is projected to rise about 44% by 2029 — from 12 in 2024 to a central estimate of 17 (95% range 3.7–30). A 5-year backtest shows a typical error of ±75%, with 100% of held-out values landing inside the 95% band.

+44%Change by 2029
17Projected 2029 index
3.7–3095% range
±75%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
2025163.229
2026163.430
2027173.530
2028173.630
2029173.730

Routes In BCR 2

Routes recording Varied Thrush in BCR 2.
ChiniakALASKA532024
TupuknukALASKA521995
DillinghamALASKA452019
Dillingham (Short)ALASKA291984
Katmai N.P.ALASKA282022
King SalmonALASKA242024
Kodiak 2ALASKA232024
St. Mary'SALASKA202014
Gweek RiverALASKA192002
KodiakALASKA31984
Salmon LakeALASKA32024
Selawik (Short)ALASKA31987
CouncilALASKA22024
Cape NomeALASKA12019
Togiak RiverALASKA12003
Kanektok RivALASKA12004

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