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

Gray Partridge Population Trend in Wyoming

All statesGame birds

Gray Partridge in Wyoming has surged: up 193% on the route-weighted index since 1991.

+193%Since 1991TrendPercent 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 →
11Routes 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 →
12YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Gray Partridge 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 Gray Partridge in Wyoming. See the full index history below.

Gray Partridge Survey Routes in Wyoming

Routes recording Gray Partridge 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 →
Worland320252024
Clark219911991
Cody220131989
Nowood220092009
Arvada220162000
Leo220162016
Wyarno120242011
Dayton119991987
Schoonover120252025
Bill119991999
Lamont120002000

Gray Partridge Population Trend in Other States

idahoillinoisindianaiowaminnesotamontananebraskanevadanew-yorknorth-dakotaoregonsouth-dakotautahwashingtonwisconsin

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