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Species · Wyoming · BBS 2025 Release · 1966–2024

Pygmy Nuthatch Population Trend in Wyoming

All statesForest birds

Pygmy Nuthatch in Wyoming has declined: down 49% on the route-weighted index since 1982.

-49%Since 1982TrendPercent 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 →
7Routes 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 →
14YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Pygmy Nuthatch Trends in WyomingNotable 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 Pygmy Nuthatch in Wyoming. See the full index history below.

Pygmy Nuthatch Survey Routes in Wyoming

Routes recording Pygmy Nuthatch in Wyoming.
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 →
Moskee419801980
Brookhurst320142014
Soda Lake219811981
Fletcher Pk220211984
Buckskin Mtn119821980
Crazy Woman120002000
Warbonnet119921992

Pygmy Nuthatch Population Trend in Other States

arizonacaliforniacoloradoidahomontananebraskanew-mexicooregonsouth-dakotautahwashington

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