BirdAnalyst
BBS Route · Washington · BCR 10

Sullivan Lk Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 34 species recorded across 1 survey years, no longer active.

34Species 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 →
1Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1999–1999Span
1Observers

Bird Species Found on Washington Sullivan Lk

Top 34 of 34 species by most recent count. Each links to its species trend.

Species recorded on the Sullivan Lk 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 ThrushTurdidae361999n/an/a
Pine SiskinFringillidae311999n/an/a
American RobinTurdidae311999n/an/a
Western TanagerCardinalidae241999n/an/a
Hammond's FlycatcherTyrannidae231999n/an/a
Townsend's WarblerParulidae181999n/an/a
Nashville WarblerParulidae161999n/an/a
Warbling VireoVireonidae121999n/an/a
Pacific WrenTroglodytidae121999n/an/a
Red-breasted NuthatchSittidae101999n/an/a
Cassin's VireoVireonidae91999n/an/a
Northern WaterthrushParulidae71999n/an/a
Orange-crowned WarblerParulidae61999n/an/a
Golden-crowned KingletRegulidae61999n/an/a
Common MerganserAnatidae51999n/an/a
Song SparrowPasserellidae51999n/an/a
Violet-green SwallowHirundinidae51999n/an/a
Black-capped ChickadeeParidae41999n/an/a
Hermit ThrushTurdidae41999n/an/a
Varied ThrushTurdidae41999n/an/a
Red-necked GrebePodicipedidae31999n/an/a
Common RavenCorvidae31999n/an/a
Hairy WoodpeckerPicidae21999n/an/a
Chipping SparrowPasserellidae21999n/an/a
Black-headed GrosbeakCardinalidae21999n/an/a
Mountain ChickadeeParidae21999n/an/a
Townsend's SolitaireTurdidae21999n/an/a
Northern Pygmy-OwlStrigidae11999n/an/a
Steller's JayCorvidae11999n/an/a
Canada JayCorvidae11999n/an/a
Brown-headed CowbirdIcteridae11999n/an/a
Spotted TowheePasserellidae11999n/an/a
Northern Rough-winged SwallowHirundinidae11999n/an/a
Yellow WarblerParulidae11999n/an/a

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