BirdAnalyst
BBS Route · Iowa · BCR 22

Washta Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 44 survey years, still active.

100Species 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 →
44Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2014Span
3Observers

Bird Species Found on Iowa Washta

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the Washta 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 BlackbirdIcteridae1182014+99%1969
DickcisselCardinalidae912014+188%1969
American RobinTurdidae752014+238%1969
House SparrowPasseridae462014-43%1969
Cliff SwallowHirundinidae37201418×1978
Ring-necked PheasantPhasianidae322014-51%1969
Warbling VireoVireonidae32201412×1974
Mourning DoveColumbidae292014-25%1969
Field SparrowPasserellidae272014+372%1969
American GoldfinchFringillidae242014+161%1969
Brown-headed CowbirdIcteridae232014+92%1969
Common YellowthroatParulidae232014+49%1969
Northern House WrenTroglodytidae222014+67%1969
European StarlingSturnidae21201414×1969
Baltimore OrioleIcteridae202014+244%1969
Barn SwallowHirundinidae172014+229%1969
Western MeadowlarkIcteridae162014-75%1969
Brown ThrasherMimidae162014+4%1969
Orchard OrioleIcteridae142014+967%1985
Common GrackleIcteridae142014+32%1969
Chipping SparrowPasserellidae14201413×1977
American CrowCorvidae132014+33%1969
BobolinkIcteridae122014+775%1981
Great Crested FlycatcherTyrannidae122014+600%1983
Horned LarkAlaudidae112013+375%1972
Northern CardinalCardinalidae102014-17%1969
Canada GooseAnatidae102014+640%2003
KilldeerCharadriidae92014+567%1969
Gray CatbirdMimidae92014+250%1969
Eastern BluebirdTurdidae9201418×1978
Lark SparrowPasserellidae82014+317%1972
Rock PigeonColumbidae72013-45%1969
Red-headed WoodpeckerPicidae72014+211%1969
Vesper SparrowPasserellidae72014-38%1969
Chimney SwiftApodidae62014+0%1970
Eastern KingbirdTyrannidae52014+171%1969
Eastern Wood-PeweeTyrannidae52014+100%1969
Blue JayCorvidae52014-28%1969
Rose-breasted GrosbeakCardinalidae52014+3%1969
Red-eyed VireoVireonidae52014+180%1981

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