BirdAnalyst
Species · Idaho · BBS 2026 Release · 1966–2025

Bushtit Population Trend in Idaho

All statesForest birds

Bushtit in Idaho has surged: up 177% on the route-weighted index since 2001.

+177%Since 2001TrendPercent 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 →
3Routes In StateSurvey 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 Bushtit Trends in IdahoNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Bushtit has surged in Idaho: up 177% on the route-weighted index since 2001.

Bushtit Survey Routes in Idaho

Routes recording Bushtit in Idaho.
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 →
Almo720251995
Silver City720021995
Magic Mtn420192001

Bushtit Population Trend in Other States

arizonacaliforniacoloradonevadanew-mexicooregontexasutahwashingtonwyoming

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