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

Lewis's Woodpecker Population Trend in Nevada

All statesForest birds

Lewis's Woodpecker in Nevada has fallen sharply: down 70% on the route-weighted index since 1999.

-70%Since 1999TrendPercent 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 →
10Routes 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 Lewis's Woodpecker 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 declinecomputed 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 →

Lewis's Woodpecker has fallen sharply in Nevada: down 70% on the route-weighted index since 1999.

Lewis's Woodpecker Survey Routes in Nevada

Routes recording Lewis's Woodpecker 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 →
Ranchogrande219901990
Jarbidge120142006
Dinner Sta119901990
Humboldt Nf120182007
Fish Creek119981998
Ruby Valley120011999
Charleston Reservoir120242024
Ruby Valley 2120102010
Humboldt Nf 2120232023
Fallon119981998

Lewis's Woodpecker Population Trend in Other States

arizonacaliforniacoloradoidahomontananebraskanew-mexicooregonsouth-dakotautahwashingtonwyoming

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