BirdAnalyst
BBS Route · Missouri · BCR 24

Marshfield Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 22 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 →
22Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2023Span
4Observers

Bird Species Found on Missouri Marshfield

Top 40 of 105 species by most recent count. Each links to its species trend.

Species recorded on the Marshfield 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 CrowCorvidae572023+49%1996
Northern CardinalCardinalidae562023+32%1996
Red-winged BlackbirdIcteridae402023-28%1996
Mourning DoveColumbidae342023+85%1996
Blue JayCorvidae322023-28%1996
Tufted TitmouseParidae272023+70%1996
Brown-headed CowbirdIcteridae242023-33%1996
Eastern MeadowlarkIcteridae152023-37%1996
European StarlingSturnidae142023+533%1999
Indigo BuntingCardinalidae132023-47%1996
Red-bellied WoodpeckerPicidae122023+85%1996
Northern BobwhiteOdontophoridae102023-70%1996
Barn SwallowHirundinidae102023-55%1996
Eastern BluebirdTurdidae102023-26%1996
Turkey VultureCathartidae92023+239%1996
Field SparrowPasserellidae92023-73%1996
House SparrowPasseridae72022-75%1996
Brown ThrasherMimidae72023+8%1996
Yellow-breasted ChatIcteriidae72023+450%1999
Common GrackleIcteridae62023-68%1996
Rock PigeonColumbidae62023+156%2004
Red-eyed VireoVireonidae62023+0%2006
KilldeerCharadriidae52023+13%1996
Wild TurkeyPhasianidae52023+200%1996
Yellow-billed CuckooCuculidae52022-32%1996
Eastern TowheePasserellidae52023+47%1996
Chimney SwiftApodidae52016+57%2003
Blue GrosbeakCardinalidae52022-29%2004
Purple MartinHirundinidae52023-10%2003
Common YellowthroatParulidae52022-30%2005
Fish CrowCorvidae52023-36%2018
Eastern KingbirdTyrannidae42022-53%1996
American RobinTurdidae42023-51%1996
Great Crested FlycatcherTyrannidae42022+140%1999
Ruby-throated HummingbirdTrochilidae42022+60%2004
Wood ThrushTurdidae42022+133%2004
Pileated WoodpeckerPicidae32021+133%2004
Northern MockingbirdMimidae32023-55%1996
Orchard OrioleIcteridae32019-36%2004
Carolina ChickadeeParidae32021-83%2004

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