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

Northern Pygmy-Owl Population Trend in Montana

All statesGeneralists

Northern Pygmy-Owl in Montana has declined: down 36% on the route-weighted index since 1986.

-36%Since 1986TrendPercent 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 →
12Routes 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 →
13YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Northern Pygmy-Owl Trends in MontanaNotable 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 Northern Pygmy-Owl in Montana. See the full index history below.

Northern Pygmy-Owl Survey Routes in Montana

Routes recording Northern Pygmy-Owl in Montana.
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 →
Whitefish Lake220182018
Painted Rock219921992
Inside Road120192017
Libby Dam120131986
Victor120112011
Reed Point119961996
Greenough119951995
Pablo Res.120172017
Elevation Mt119941994
St Regis120171983
Arlee119841984
Woodman119931993

Northern Pygmy-Owl Population Trend in Other States

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