BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Hermit Thrush In Great Basin

All regionsGreat BasinForest birds

Hermit Thrush in Great Basin has edged down: down 11% on the route-weighted index since 1970.

-11%Since 1970
84Routes In Region
56Years

Notable Signals

No notable trend signals for Hermit Thrush in Great Basin. See the full index history below.

Forecast

If the recent trend holds, Hermit Thrush in Great Basin is projected to stay roughly flat through 2029, near 2.3 (95% range 1.4–3.1). A 5-year backtest shows a typical error of ±9.8%, with 100% of held-out values landing inside the 95% band.

-0%Change by 2029
2.3Projected 2029 index
1.4–3.195% range
±9.8%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
20252.21.43.1
20262.21.43.1
20272.21.43.1
20282.31.43.1
20292.31.43.1

Routes In Great Basin

Routes recording Hermit Thrush in Great Basin.
Blewett PassWASHINGTON692024
PauninaOREGON352024
Bald Mtn.OREGON342024
E. Mt. AdamsWASHINGTON272024
RonaldWASHINGTON232024
Medicine Mtn.CALIFORNIA202021
Mt HoodOREGON202024
GlacierWASHINGTON142024
Davis LakeOREGON132024
RimrockWASHINGTON132024
BartleCALIFORNIA112021
TionestaCALIFORNIA112021
Magic MtnIDAHO102024
Barnes ValOREGON91987
SistersOREGON92024
ZumwaltOREGON81996
IndexWASHINGTON81997
No CascadesWASHINGTON82019
TwispWASHINGTON72015
LeavenworthWASHINGTON72024
Wizard FallsOREGON62024
ChinchaloOREGON62024
Walker CanNEVADA51968
LakeviewOREGON52024
HyrumUTAH51977

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