BirdAnalyst
BBS Route · Iowa · BCR 22

Dinsdale Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 93 species recorded across 31 survey years, still active.

93Species 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 →
31Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2025Span
7Observers

Bird Species Found on Iowa Dinsdale

Top 40 of 93 species by most recent count. Each links to its species trend.

Species recorded on the Dinsdale 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 BlackbirdIcteridae1442025+51%1970
American RobinTurdidae422025+99%1970
DickcisselCardinalidae382025-29%1970
Common GrackleIcteridae302025-68%1970
Cliff SwallowHirundinidae26202516×2005
Mourning DoveColumbidae232025+4%1970
Brown-headed CowbirdIcteridae212025+43%1970
Barn SwallowHirundinidae192025+26%1970
Song SparrowPasserellidae172025-30%1970
House SparrowPasseridae172025-74%1970
Western MeadowlarkIcteridae162025-83%1970
Ring-necked PheasantPhasianidae152025-78%1970
Bank SwallowHirundinidae152015+325%1971
American CrowCorvidae142025-33%1970
Common YellowthroatParulidae122025-59%1970
Northern House WrenTroglodytidae122025+11%1970
European StarlingSturnidae112025-53%1970
Eurasian Collared-DoveColumbidae92025+800%2013
KilldeerCharadriidae82025+281%1970
Red-headed WoodpeckerPicidae82025+9%1970
Chipping SparrowPasserellidae82025+800%1976
Canada GooseAnatidae82025+300%1995
Northern CardinalCardinalidae72025+160%1972
American GoldfinchFringillidae62025-74%1970
Chimney SwiftApodidae52025-42%1970
Vesper SparrowPasserellidae52025-86%1970
Upland SandpiperScolopacidae52015+167%1990
Eastern KingbirdTyrannidae42025+57%1970
Indigo BuntingCardinalidae42025+117%1970
Northern Rough-winged SwallowHirundinidae42013+575%1977
Rock PigeonColumbidae32025-84%1970
Great Crested FlycatcherTyrannidae32025+67%1971
Horned LarkAlaudidae32025-91%1970
Eastern MeadowlarkIcteridae32025+67%1971
Eastern PhoebeTyrannidae32015+67%1982
Eastern Wood-PeweeTyrannidae32025+20%1984
Red-eyed VireoVireonidae32025+133%1990
White-breasted NuthatchSittidae32025+75%1989
Savannah SparrowPasserellidae22013+167%1970
Grasshopper SparrowPasserellidae22015-78%1970

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