BirdAnalyst
BBS Route · Iowa · BCR 22

Washta Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 45 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 →
45Years 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 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
American RobinTurdidae962025+264%1969
DickcisselCardinalidae742025+166%1969
Cliff SwallowHirundinidae552025+836%1978
Red-winged BlackbirdIcteridae522025+72%1969
Barn SwallowHirundinidae432025+180%1969
Mourning DoveColumbidae392025-41%1969
Northern House WrenTroglodytidae322025+90%1969
Brown-headed CowbirdIcteridae312025+137%1969
House SparrowPasseridae212025-50%1969
KilldeerCharadriidae182025+683%1969
Ring-necked PheasantPhasianidae162025-47%1969
Bank SwallowHirundinidae152025+425%1983
Field SparrowPasserellidae132025+244%1969
BobolinkIcteridae122014+775%1981
Indigo BuntingCardinalidae122025+463%1972
European StarlingSturnidae11202513×1969
Common YellowthroatParulidae112025+43%1969
Horned LarkAlaudidae112013+375%1972
Eastern KingbirdTyrannidae102025+164%1969
Chipping SparrowPasserellidae102025+980%1977
Canada GooseAnatidae102014+640%2003
American GoldfinchFringillidae92025+108%1969
Eastern BluebirdTurdidae9201418×1978
Song SparrowPasserellidae82025+106%1971
Northern Rough-winged SwallowHirundinidae62025+189%1970
Tree SwallowHirundinidae62025+9%1994
Eurasian Collared-DoveColumbidae62025+300%2012
Red-headed WoodpeckerPicidae52025+133%1969
American CrowCorvidae52025+7%1969
Warbling VireoVireonidae52025+940%1974
Yellow WarblerParulidae52025+163%1975
Red-eyed VireoVireonidae52014+180%1981
Cedar WaxwingBombycillidae52014+929%1996
Western KingbirdTyrannidae42012+150%1978
Blue JayCorvidae42025-31%1969
Gray CatbirdMimidae42025+50%1969
Red-bellied WoodpeckerPicidae42025+325%1989
MallardAnatidae41993+33%1984
Wild TurkeyPhasianidae42014+200%2008
Turkey VultureCathartidae42025+167%1990

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