BirdAnalyst
BBS Route · Oregon · BCR 5

Bull Run Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 62 species recorded across 17 survey years, still active.

62Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
17Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2007–2024Span
1Observers

Bird Species Found on Oregon Bull Run

Top 40 of 62 species by most recent count. Each links to its species trend.

Species recorded on the Bull Run route.
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 →TrendPercent 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 →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Pacific WrenTroglodytidae422024-8%2009
Swainson's ThrushTurdidae372024-21%2009
American RobinTurdidae302024-4%2009
Steller's JayCorvidae162024+50%2009
Western TanagerCardinalidae162024+48%2009
Red-breasted NuthatchSittidae102024+9%2009
Chestnut-backed ChickadeeParidae102024-22%2009
Hermit WarblerParulidae92024+7%2009
Black-headed GrosbeakCardinalidae72024+77%2009
Warbling VireoVireonidae72024-15%2009
Common MerganserAnatidae72023+80%2019
Willow FlycatcherTyrannidae52010+400%2007
Wilson's WarblerParulidae52024-27%2009
Red-breasted SapsuckerPicidae42024+140%2009
Vaux's SwiftApodidae42024-44%2011
Song SparrowPasserellidae42023-14%2009
Black-throated Gray WarblerParulidae42024+100%2016
Band-tailed PigeonColumbidae32024-7%2010
Brown CreeperCerthiidae32024+0%2010
Golden-crowned KingletRegulidae32024-36%2009
American CrowCorvidae32023+100%2013
White-crowned SparrowPasserellidae32024+100%2015
Canada GooseAnatidae32021n/an/a
Pileated WoodpeckerPicidae22024+0%2009
Rufous HummingbirdTrochilidae22024+25%2009
Western Wood-PeweeTyrannidae22018+25%2012
Red CrossbillFringillidae22018-78%2009
Pine SiskinFringillidae22024+50%2010
Cedar WaxwingBombycillidae22021+20%2012
Canada JayCorvidae22016+100%2008
Black-capped ChickadeeParidae22024-24%2015
Hermit ThrushTurdidae22014+100%2012
Red-tailed HawkAccipitridae22021+50%2017
Spotted SandpiperScolopacidae12024+0%2010
Belted KingfisherAlcedinidae12011+0%2007
Hairy WoodpeckerPicidae12024-62%2010
Olive-sided FlycatcherTyrannidae12022-14%2010
Hammond's FlycatcherTyrannidae12024-25%2010
Evening GrosbeakFringillidae12023-43%2016
Spotted TowheePasserellidae12023-17%2009

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.