BirdAnalyst
BBS Route · Iowa · BCR 11

Washington Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 53 survey years, still active.

105Species 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 →
53Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2024Span
4Observers

Bird Species Found on Iowa Washington

Top 40 of 105 species by most recent count. Each links to its species trend.

Species recorded on the Washington 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
Red-winged BlackbirdIcteridae1322024+36%1970
Canada GooseAnatidae129202446×1993
American RobinTurdidae852024+98%1970
Common GrackleIcteridae592024-43%1970
House SparrowPasseridae432024-80%1970
Brown-headed CowbirdIcteridae302024+102%1970
Cliff SwallowHirundinidae272024+7%1976
Mourning DoveColumbidae212024-20%1970
Great EgretArdeidae19200819×2000
DickcisselCardinalidae182024-71%1970
Barn SwallowHirundinidae182024-45%1970
KilldeerCharadriidae132024+500%1970
Ring-necked PheasantPhasianidae132024-80%1970
Rock PigeonColumbidae132024+32%1970
European StarlingSturnidae132024-71%1970
Northern House WrenTroglodytidae132024-59%1970
American CrowCorvidae112024-79%1970
Northern CardinalCardinalidae112024-35%1970
Baltimore OrioleIcteridae82024-24%1970
Eastern BluebirdTurdidae82023+367%1974
Northern Rough-winged SwallowHirundinidae72021+500%1976
Blue JayCorvidae62024-20%1970
Common YellowthroatParulidae62024-90%1970
MallardAnatidae62024+24%1990
Eastern KingbirdTyrannidae52024-35%1970
Gray CatbirdMimidae42024+46%1970
Black-capped ChickadeeParidae42022-43%1970
Eurasian Collared-DoveColumbidae42023-33%2009
Great Crested FlycatcherTyrannidae32024-23%1970
Western MeadowlarkIcteridae32024-99%1970
Hairy WoodpeckerPicidae32013+67%1976
Savannah SparrowPasserellidae32023-25%1975
House FinchFringillidae32024+46%1994
Turkey VultureCathartidae32024+133%2012
Red-headed WoodpeckerPicidae22024-84%1970
Eastern MeadowlarkIcteridae22024-23%1970
Vesper SparrowPasserellidae22024-97%1970
Chipping SparrowPasserellidae22024+0%1970
Indigo BuntingCardinalidae22024-76%1970
Purple MartinHirundinidae22024+0%1970

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