BirdAnalyst
BBS Route · Washington · BCR 9

Concrete Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 67 species recorded across 12 survey years, still active.

67Species 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 →
12Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2013–2025Span
1Observers

Bird Species Found on Washington Concrete

Top 40 of 67 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
American RobinTurdidae612025-9%2015
Swainson's ThrushTurdidae552025-26%2015
Western TanagerCardinalidae152025+44%2015
American CrowCorvidae142025-15%2015
Black-headed GrosbeakCardinalidae142025-10%2015
Song SparrowPasserellidae132025-54%2015
Spotted TowheePasserellidae132025-10%2015
Pacific WrenTroglodytidae112025-55%2015
Violet-green SwallowHirundinidae92025-25%2015
Warbling VireoVireonidae92025-28%2015
European StarlingSturnidae82025-24%2015
Willow FlycatcherTyrannidae72025-62%2015
Bank SwallowHirundinidae72025+19%2015
Black-throated Gray WarblerParulidae72025-62%2015
Spotted SandpiperScolopacidae62025+33%2015
Steller's JayCorvidae62025-9%2015
Common RavenCorvidae62025+17%2015
White-crowned SparrowPasserellidae62025+4%2015
Townsend's WarblerParulidae62025+160%2015
Red-breasted SapsuckerPicidae52025+250%2015
Tree SwallowHirundinidae52024+125%2018
Red CrossbillFringillidae42022+100%2013
Western Wood-PeweeTyrannidae32025-29%2015
Hammond's FlycatcherTyrannidae32025-36%2018
Cliff SwallowHirundinidae32014+200%2013
Northern Rough-winged SwallowHirundinidae32024+25%2016
Red-eyed VireoVireonidae32025-10%2015
Black-capped ChickadeeParidae32024-58%2016
Varied ThrushTurdidae32025-60%2015
Pileated WoodpeckerPicidae22025+0%2015
Purple FinchFringillidae22025-33%2019
Brown CreeperCerthiidae22019-25%2014
Chestnut-backed ChickadeeParidae22025-68%2015
Mourning DoveColumbidae22025+0%2019
Orange-crowned WarblerParulidae22025-38%2016
Brewer's BlackbirdIcteridae22025-64%2018
Cassin's VireoVireonidae22025-17%2017
Anna's HummingbirdTrochilidae22017n/an/a
Band-tailed PigeonColumbidae12025-39%2015
Red-tailed HawkAccipitridae12017+0%2013

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