BirdAnalyst
Species · BCR 5 · BBS 2025 Release · 1966–2024

American Barn Owl In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

American Barn Owl in Northern Pacific Rainforest has edged down: down 11% on the route-weighted index since 1987.

-11%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 →
12Routes In RegionSurvey 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 SignalsNotable 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 Northern Pacific Rainforest. See the full index history below.

Routes In Northern Pacific Rainforest

Routes recording American Barn Owl in Northern Pacific Rainforest.
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 →
MontesandWASHINGTON21995
Rio DellCALIFORNIA12001
Mt ShastaCALIFORNIA12018
LaytonvilleCALIFORNIA12021
GazelleCALIFORNIA12011
SaladoOREGON12004
Cool CampOREGON11986
ElktonOREGON12021
Warm BeachWASHINGTON11994
CamasWASHINGTON12018
Pe EllWASHINGTON11994
CarnationWASHINGTON12004

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