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

American Barn Owl Population Trend in Oregon

All statesGeneralists

American Barn Owl in Oregon has declined: down 47% on the route-weighted index since 1987.

-47%Since 1987TrendPercent 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 →
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 American Barn Owl Trends in OregonNotable 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 American Barn Owl in Oregon. See the full index history below.

American Barn Owl Survey Routes in Oregon

Routes recording American Barn Owl in Oregon.
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 →
Lone Rock120012001
Merrill119951995
Salado120042004
Cool Camp119861986
Umatilla119961988
Mikkalo120142014
Pendleton119941991
Bridgeport120122012
Elkton120211978
Adrian119871987
Harney Lake120062006

American Barn Owl Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradodelawarefloridageorgiaidahokansaskentuckylouisianamarylandmississippimissourinebraskanevadanew-mexiconorth-carolinaoklahomasouth-dakotatennesseetexasutahwashingtonwyoming

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