BirdAnalyst
BBS Route · Washington · BCR 9

Concrete Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 66 species recorded across 11 survey years, still active.

66Species 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 →
11Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2013–2024Span
1Observers

Bird Species Found on Washington Concrete

Top 40 of 66 species by most recent count. Each links to its species trend.

Species recorded on the Concrete 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 ThrushTurdidae642024-30%2015
American RobinTurdidae532024-17%2015
Black-headed GrosbeakCardinalidae272024+15%2015
Spotted TowheePasserellidae142024+0%2015
Pacific WrenTroglodytidae132024-63%2015
White-crowned SparrowPasserellidae122024+12%2015
Warbling VireoVireonidae122024-36%2015
Western TanagerCardinalidae102024+44%2015
Bank SwallowHirundinidae102024+10%2015
American CrowCorvidae82024-39%2015
Song SparrowPasserellidae82024-48%2015
MacGillivray's WarblerParulidae82024-25%2015
Willow FlycatcherTyrannidae72024-64%2015
Red-breasted SapsuckerPicidae62024+183%2015
Steller's JayCorvidae62024+18%2015
Black-throated Gray WarblerParulidae62024-64%2015
Band-tailed PigeonColumbidae52023-31%2015
Tree SwallowHirundinidae52024+125%2018
Townsend's WarblerParulidae52024+120%2015
Wilson's WarblerParulidae52019-13%2015
Red CrossbillFringillidae42022+100%2013
Spotted SandpiperScolopacidae32024+22%2015
European StarlingSturnidae32024-53%2015
Cliff SwallowHirundinidae32014+200%2013
Northern Rough-winged SwallowHirundinidae32024+25%2016
Common YellowthroatParulidae32019+67%2014
Black-capped ChickadeeParidae32024-58%2016
Common RavenCorvidae22024+11%2015
Violet-green SwallowHirundinidae22024-25%2015
Red-eyed VireoVireonidae22024-30%2015
Brown CreeperCerthiidae22019-25%2014
Chestnut-backed ChickadeeParidae22023-68%2015
Varied ThrushTurdidae22024-73%2015
Orange-crowned WarblerParulidae22024-25%2016
Anna's HummingbirdTrochilidae22017n/an/a
Red-tailed HawkAccipitridae12017+0%2013
Belted KingfisherAlcedinidae12024-17%2016
Hairy WoodpeckerPicidae12024-63%2015
Pileated WoodpeckerPicidae12024-25%2015
Western Wood-PeweeTyrannidae12024-57%2015

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