BirdAnalyst
BBS Route · Washington · BCR 5

Cougar Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 103 species recorded across 27 survey years, still active.

103Species 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 →
27Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2023Span
5Observers

Bird Species Found on Washington Cougar

Top 40 of 103 species by most recent count. Each links to its species trend.

Species recorded on the Cougar 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
Warbling VireoVireonidae882023+594%1970
American RobinTurdidae622023+211%1970
Ring-billed GullLaridae58199230×1972
Chestnut-backed ChickadeeParidae482023+618%1970
Black-throated Gray WarblerParulidae332023+800%1972
Black-headed GrosbeakCardinalidae32202312×1976
Barn SwallowHirundinidae272023+430%1970
Tree SwallowHirundinidae262023+411%1970
Cedar WaxwingBombycillidae252023+175%1972
Steller's JayCorvidae232023+193%1970
White-crowned SparrowPasserellidae232023+65%1970
Western TanagerCardinalidae212023+39%1970
Canada GooseAnatidae21202321×1991
Hammond's FlycatcherTyrannidae182023+783%1973
Swainson's ThrushTurdidae172023-15%1970
Red-breasted NuthatchSittidae162023+122%1970
Pacific WrenTroglodytidae142023+126%1970
MacGillivray's WarblerParulidae132023-31%1970
Hermit WarblerParulidae122023-65%1971
Willow FlycatcherTyrannidae122023+6%1984
Vaux's SwiftApodidae112023-50%1973
Rufous HummingbirdTrochilidae92023+146%1970
Western Wood-PeweeTyrannidae92023-50%1970
American GoldfinchFringillidae92023+90%1972
Yellow WarblerParulidae92023+143%1970
Violet-green SwallowHirundinidae92023+159%1971
California GullLaridae91991+50%1972
Brown-headed CowbirdIcteridae82023+53%1970
Northern Rough-winged SwallowHirundinidae82023+100%1983
Common RavenCorvidae82023+200%1982
Red-breasted SapsuckerPicidae72023+533%1975
Song SparrowPasserellidae62023+100%1970
Spotted TowheePasserellidae62023+240%1971
Spotted SandpiperScolopacidae62023+200%1971
Turkey VultureCathartidae62023+200%1988
Brown CreeperCerthiidae62023+350%1987
Band-tailed PigeonColumbidae52021-40%1972
Pine SiskinFringillidae52022-64%1972
Sooty GrousePhasianidae52023+0%1982
Northern House WrenTroglodytidae52023+38%1992

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