BirdAnalyst
BBS Route · Oregon · BCR 5

Bull Run Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 63 species recorded across 18 survey years, still active.

63Species 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 →
18Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2007–2025Span
1Observers

Bird Species Found on Oregon Bull Run

Top 40 of 63 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
Swainson's ThrushTurdidae512025+2%2009
American RobinTurdidae322025+8%2009
Steller's JayCorvidae262025+109%2009
Pacific WrenTroglodytidae262025-24%2009
Chestnut-backed ChickadeeParidae252025-7%2009
Western TanagerCardinalidae132025+91%2009
Warbling VireoVireonidae112025-4%2009
Band-tailed PigeonColumbidae102025+33%2010
Golden-crowned KingletRegulidae102025-20%2009
Hermit WarblerParulidae92025-10%2009
Black-headed GrosbeakCardinalidae72025+47%2009
Common MerganserAnatidae72023+80%2019
Red-breasted SapsuckerPicidae62025+240%2009
Pileated WoodpeckerPicidae62025+80%2009
Willow FlycatcherTyrannidae52010+400%2007
Red CrossbillFringillidae52025-67%2009
Red-breasted NuthatchSittidae52025+9%2009
Vaux's SwiftApodidae42024-44%2011
Song SparrowPasserellidae42023-14%2009
MacGillivray's WarblerParulidae42025+40%2010
Common RavenCorvidae42025+150%2013
Wilson's WarblerParulidae32025-51%2009
White-crowned SparrowPasserellidae32024+100%2015
Canada GooseAnatidae32025+0%2021
Rufous HummingbirdTrochilidae22024+25%2009
Western Wood-PeweeTyrannidae22018+25%2012
Pine SiskinFringillidae22024+50%2010
Spotted TowheePasserellidae22025+0%2009
Cedar WaxwingBombycillidae22025+0%2012
Varied ThrushTurdidae22025-44%2009
Canada JayCorvidae22016+100%2008
Black-capped ChickadeeParidae22024-24%2015
Hermit ThrushTurdidae22025-43%2013
Red-tailed HawkAccipitridae22021+50%2017
Spotted SandpiperScolopacidae12025+0%2010
Belted KingfisherAlcedinidae12011+0%2007
Hairy WoodpeckerPicidae12024-62%2010
Olive-sided FlycatcherTyrannidae12022-14%2010
Hammond's FlycatcherTyrannidae12024-25%2010
Evening GrosbeakFringillidae12025-43%2016

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.