BirdAnalyst
BBS Route · Washington · BCR 9

Leavenworth Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 116 species recorded across 43 survey years, still active.

116Species 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 →
43Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1981–2024Span
8Observers

Bird Species Found on Washington Leavenworth

Top 40 of 116 species by most recent count. Each links to its species trend.

Species recorded on the Leavenworth 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
Spotted TowheePasserellidae582024+822%1983
American RobinTurdidae532024-5%1983
Western Wood-PeweeTyrannidae512024+223%1984
Pine SiskinFringillidae452024+114%1983
Violet-green SwallowHirundinidae372024+572%1985
Western TanagerCardinalidae272024+300%1983
Brown-headed CowbirdIcteridae252024+23%1984
Cedar WaxwingBombycillidae222024+239%1984
Song SparrowPasserellidae212024+256%1983
Black-capped ChickadeeParidae20202413×1983
White-crowned SparrowPasserellidae20202415×1990
European StarlingSturnidae192024-39%1983
American CrowCorvidae172024+6%1983
Purple FinchFringillidae172024+25%1996
Chipping SparrowPasserellidae172024+27%1983
Yellow WarblerParulidae172024+275%1983
Swainson's ThrushTurdidae162024+229%1983
MacGillivray's WarblerParulidae152024+233%1983
Nashville WarblerParulidae14202413×1984
Red-breasted NuthatchSittidae142024+146%1984
Steller's JayCorvidae132024+100%1984
Northern House WrenTroglodytidae122024+76%1986
Townsend's WarblerParulidae112024+683%1984
House FinchFringillidae112024+59%1986
Warbling VireoVireonidae102024+767%1985
Tree SwallowHirundinidae92024-53%1983
VeeryTurdidae92024+218%1983
American GoldfinchFringillidae82024+400%1984
Wilson's WarblerParulidae82015+67%1991
Gray CatbirdMimidae82024+233%1987
Hermit ThrushTurdidae72024+157%1998
Rock PigeonColumbidae62023+85%1998
Barn SwallowHirundinidae62024-75%1983
Golden-crowned KingletRegulidae62024-20%1995
Vaux's SwiftApodidae62023+375%1997
Wild TurkeyPhasianidae62023+175%2014
Eurasian Collared-DoveColumbidae62024-18%2015
Red CrossbillFringillidae42024+489%1985
Cassin's VireoVireonidae42024+114%1984
Common MerganserAnatidae41990+100%1984

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