BirdAnalyst
BBS Route · Washington · BCR 9

Suiattle Riv Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 73 species recorded across 15 survey years, no longer active.

73Species 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 →
15Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2019Span
3Observers

Bird Species Found on Washington Suiattle Riv

Top 40 of 73 species by most recent count. Each links to its species trend.

Species recorded on the Suiattle Riv 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 ThrushTurdidae382019-44%1995
Western TanagerCardinalidae212019+680%1996
Pacific WrenTroglodytidae182019-42%1995
American RobinTurdidae182019-62%1995
Hermit WarblerParulidae152019+275%2017
Golden-crowned KingletRegulidae142019-32%1995
Cedar WaxwingBombycillidae122019-71%1995
Song SparrowPasserellidae102019+10%1995
Black SwiftApodidae92003+67%1995
Chestnut-backed ChickadeeParidae72019-5%1995
Varied ThrushTurdidae72019-65%1995
California QuailOdontophoridae72019n/an/a
Black-throated Gray WarblerParulidae62018-84%1995
Willow FlycatcherTyrannidae52019-67%1995
Warbling VireoVireonidae52019+79%1995
Hammond's FlycatcherTyrannidae52019+109%1997
Steller's JayCorvidae42019-13%1995
Rufous HummingbirdTrochilidae32019-65%1995
Common RavenCorvidae32018+50%1995
Black-headed GrosbeakCardinalidae32019+183%1995
Band-tailed PigeonColumbidae32018+225%1998
Red-winged BlackbirdIcteridae32019+50%2002
Pine SiskinFringillidae32001+200%1998
Red CrossbillFringillidae32018+167%2003
American CrowCorvidae22018-20%1996
Evening GrosbeakFringillidae22019+17%1999
Spotted TowheePasserellidae22019-43%1995
Orange-crowned WarblerParulidae22006+0%1997
Ruby-crowned KingletRegulidae22003+9%1997
White-crowned SparrowPasserellidae22019-14%1997
Purple FinchFringillidae22019-43%2002
Northern Rough-winged SwallowHirundinidae22018+150%1999
Brown CreeperCerthiidae22019+50%2001
Hutton's VireoVireonidae22017+100%2005
Red-eyed VireoVireonidae22019+0%2018
Ruffed GrousePhasianidae11997+0%1994
Hairy WoodpeckerPicidae12019-40%1995
Red-breasted SapsuckerPicidae12018-9%1995
Pileated WoodpeckerPicidae12018-20%1997
Common NighthawkCaprimulgidae12019+50%1995

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