BirdAnalyst
BBS Route · Washington · BCR 5

Vashon Is. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 75 species recorded across 22 survey years, still active.

75Species 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 →
22Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1995–2024Span
3Observers

Bird Species Found on Washington Vashon Is.

Top 40 of 75 species by most recent count. Each links to its species trend.

Species recorded on the Vashon Is. 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 RobinTurdidae992024+108%1997
Spotted TowheePasserellidae792024+45%1997
Chestnut-backed ChickadeeParidae582024+144%1997
Song SparrowPasserellidae512024+17%1997
Swainson's ThrushTurdidae482024+100%1997
White-crowned SparrowPasserellidae412024+128%1997
Pine SiskinFringillidae362024+119%2000
Cedar WaxwingBombycillidae342024+196%1997
Wilson's WarblerParulidae232024+69%1997
Golden-crowned KingletRegulidae222024+154%1997
Black-headed GrosbeakCardinalidae212024-24%1997
Orange-crowned WarblerParulidae172024-25%1997
American CrowCorvidae162024-58%1997
Purple FinchFringillidae142024+141%1997
House FinchFringillidae142024-3%1997
Brown CreeperCerthiidae122024+667%2001
Barn SwallowHirundinidae112023-59%1997
American GoldfinchFringillidae102024+129%1997
Bewick's WrenTroglodytidae102024-32%1997
Red-breasted NuthatchSittidae102024+300%1997
Warbling VireoVireonidae102024+111%1998
European StarlingSturnidae92023+52%1997
Canada GooseAnatidae92000n/an/a
Olive-sided FlycatcherTyrannidae82024-26%1997
Western Wood-PeweeTyrannidae82024+120%1997
House SparrowPasseridae82024-28%1997
Black-capped ChickadeeParidae82024+183%1997
BushtitAegithalidae82024+188%2001
Chipping SparrowPasserellidae82024+500%2022
Downy WoodpeckerPicidae52024+50%1998
Willow FlycatcherTyrannidae52024+10%1997
Common RavenCorvidae52024+167%2003
Purple MartinHirundinidae52021+100%2016
Ring-necked PheasantPhasianidae42006-21%1997
Violet-green SwallowHirundinidae42024-35%1997
Steller's JayCorvidae32024-41%1997
Western TanagerCardinalidae32024-58%1997
Red-winged BlackbirdIcteridae32024+63%1998
Bald EagleAccipitridae32018+67%2003
Eurasian Collared-DoveColumbidae32024+17%2019

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