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Species · Nevada · BBS 2025 Release · 1966–2024

Virginia's Warbler Population Trend in Nevada

All statesForest birds

Virginia's Warbler in Nevada has surged: up 135% on the route-weighted index since 2005.

+135%Since 2005TrendPercent 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 →
5Routes 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 Virginia's Warbler Trends in NevadaNotable 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 →

Virginia's Warbler has surged in Nevada: up 135% on the route-weighted index since 2005.

Virginia's Warbler Survey Routes in Nevada

Routes recording Virginia's Warbler in Nevada.
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 →
Austin1520182013
Comins Lake620162005
Meadow Vally220242022
Jarbidge120092007
Willis120072000

Virginia's Warbler Population Trend in Other States

arizonacaliforniacoloradoidahonew-mexicosouth-dakotautahwyoming

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