BirdAnalyst
BBS Route · Iowa · BCR 11

Washington Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 54 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 →
54Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2025Span
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 BlackbirdIcteridae1392025+41%1970
Canada GooseAnatidae102202544×1993
American RobinTurdidae882025+107%1970
Common GrackleIcteridae492025-47%1970
House SparrowPasseridae482025-76%1970
European StarlingSturnidae312025-67%1970
Brown-headed CowbirdIcteridae292025+79%1970
DickcisselCardinalidae272025-71%1970
Mourning DoveColumbidae232025-20%1970
Cliff SwallowHirundinidae222025+22%1976
Black TernLaridae22202511×1986
Great EgretArdeidae19200819×2000
Ring-necked PheasantPhasianidae142025-78%1970
KilldeerCharadriidae112025+567%1970
Northern CardinalCardinalidae112025-36%1970
Barn SwallowHirundinidae112025-48%1970
Eastern KingbirdTyrannidae102025+5%1970
Baltimore OrioleIcteridae92025-10%1970
Northern Rough-winged SwallowHirundinidae72021+500%1976
Blue JayCorvidae62025-10%1970
Northern House WrenTroglodytidae62025-71%1970
MallardAnatidae62024+24%1990
Savannah SparrowPasserellidae52025+25%1975
Eurasian Collared-DoveColumbidae52025+0%2009
Great Crested FlycatcherTyrannidae42025-31%1970
American CrowCorvidae42025-84%1970
Indigo BuntingCardinalidae42025-76%1970
Black-capped ChickadeeParidae42022-43%1970
Turkey VultureCathartidae42025+200%2012
Red-tailed HawkAccipitridae32025+100%1980
Chipping SparrowPasserellidae32025-13%1970
Rose-breasted GrosbeakCardinalidae32025-74%1970
Gray CatbirdMimidae32025+46%1970
Hairy WoodpeckerPicidae32013+67%1976
House FinchFringillidae32025+9%1994
Rock PigeonColumbidae22025-35%1970
Red-headed WoodpeckerPicidae22025-86%1970
Red-bellied WoodpeckerPicidae22025-61%1970
Eastern Wood-PeweeTyrannidae22025-43%1974
Vesper SparrowPasserellidae22025-97%1970

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.