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Species · Nevada · BBS 2025 Release · 1966–2024

LeConte's Thrasher Population Trend in Nevada

All statesGeneralists

LeConte's Thrasher in Nevada has fallen sharply: down 60% on the route-weighted index since 1993.

-60%Since 1993TrendPercent 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 →
17YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable LeConte's Thrasher 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 →

LeConte's Thrasher has fallen sharply in Nevada: down 60% on the route-weighted index since 1993.

LeConte's Thrasher Survey Routes in Nevada

Routes recording LeConte's Thrasher 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 →
Ash Meadows220191995
Jean Lake119941992
Nelson120181997
Beatty120161988
Val Of Fire120181988

LeConte's Thrasher Population Trend in Other States

arizonacaliforniautah

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