BirdAnalyst
Species · BCR 9 · BBS 2026 Release · 1966–2025

Summer Tanager In Great Basin

All regionsGreat BasinForest birds

Summer Tanager in Great Basin has increased: up 47% on the route-weighted index since 1998.

+47%Since 1998TrendPercent 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 RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
13YearsYears 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 Summer Tanager in Great Basin. See the full index history below.

Routes In Great Basin

Routes recording Summer Tanager in Great Basin.
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 →
Meadow VallyNEVADA52025
HikoNEVADA12013
NewcastleUTAH12003

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