BirdAnalyst
BBS Route · Iowa · BCR 22

Maquoketa Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 55 survey years, still active.

99Species 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 →
55Years 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
7Observers

Bird Species Found on Iowa Maquoketa

Top 40 of 99 species by most recent count. Each links to its species trend.

Species recorded on the Maquoketa 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 BlackbirdIcteridae1612024-41%1969
House SparrowPasseridae952024-31%1969
American RobinTurdidae382024+170%1969
DickcisselCardinalidae352024-21%1969
Common YellowthroatParulidae222024+17%1969
Barn SwallowHirundinidae212024+110%1969
European StarlingSturnidae202024-83%1969
Gray CatbirdMimidae202024+557%1969
Northern CardinalCardinalidae192024+20%1969
Northern House WrenTroglodytidae182024+71%1969
KilldeerCharadriidae152024+425%1969
Song SparrowPasserellidae142024-11%1969
Common GrackleIcteridae112024-71%1969
Warbling VireoVireonidae92024+120%1969
Field SparrowPasserellidae82024-36%1969
Brown-headed CowbirdIcteridae72024-44%1969
Brown ThrasherMimidae72024-50%1969
Indigo BuntingCardinalidae72024+78%1972
Mourning DoveColumbidae62024+2%1969
Red-headed WoodpeckerPicidae62024-38%1969
Chipping SparrowPasserellidae62024+560%1970
American RedstartParulidae62024+233%2004
Chimney SwiftApodidae52023-35%1969
Baltimore OrioleIcteridae52024+13%1969
American GoldfinchFringillidae52024-9%1969
Eastern TowheePasserellidae52024+150%1973
Rose-breasted GrosbeakCardinalidae52024+143%1970
Northern Rough-winged SwallowHirundinidae52023+120%1971
House FinchFringillidae52023+173%1995
BobolinkIcteridae42024-79%1969
Eastern MeadowlarkIcteridae42024-78%1969
Purple MartinHirundinidae41986+80%1974
Bank SwallowHirundinidae42024-36%1970
Wild TurkeyPhasianidae42022+75%1992
Rock PigeonColumbidae32022+10%1970
Blue JayCorvidae32024-29%1969
Eastern BluebirdTurdidae32024+75%1969
Black-capped ChickadeeParidae32023+75%1971
Cliff SwallowHirundinidae32024-68%1975
Red-eyed VireoVireonidae32024+25%1992

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