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

Snowy Plover Population Trend in California

All statesShorebirds

Snowy Plover in California has surged: up 113% on the route-weighted index since 1979.

+113%Since 1979TrendPercent 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 →
4Routes 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 →
16YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Snowy Plover 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 Snowy Plover in California. See the full index history below.

Snowy Plover Survey Routes in California

Routes recording Snowy Plover 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 →
Dorris520111980
Jofegan 2220252024
Niland119911979
Haiwee Res119761975

Snowy Plover Population Trend in Other States

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