BirdAnalyst
Species · California · BBS 2025 Release · 1966–2024

Pine Grosbeak Population Trend in California

All statesGeneralists

Pine Grosbeak in California has declined: down 35% on the route-weighted index since 1981.

-35%Since 1981TrendPercent 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 →
6Routes 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 →
15YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Pine Grosbeak Trends in CaliforniaNotable 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 Pine Grosbeak in California. See the full index history below.

Pine Grosbeak Survey Routes in California

Routes recording Pine Grosbeak in California.
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 →
Mt Shasta319811981
Westville219841975
Meadow Valley119991999
Little Truckee120041997
Greenhorn Mt119741974
Woodfords120231985

Pine Grosbeak Population Trend in Other States

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