BirdAnalyst
Species · BCR 17 · BBS 2026 Release · 1966–2025

Hermit Thrush In Badlands and Prairies

All regionsBadlands and PrairiesForest birds

Hermit Thrush in Badlands and Prairies has surged: up 405% on the route-weighted index since 1997.

+405%Since 1997TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
8Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
12YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Hermit Thrush in Badlands and Prairies. See the full index history below.

Routes In Badlands and Prairies

Routes recording Hermit Thrush in Badlands and Prairies.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Maynard CouleeMONTANA62025
HighwoodMONTANA11994
BrusettMONTANA11985
SavageMONTANA11997
Miles CityMONTANA12023
Long DrawSOUTH-DAKOTA12010
Thunder BasinWYOMING12024
Moskee 3WYOMING12025

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.