BirdAnalyst
BBS Route · Maryland · BCR 29

Madonna Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 12 survey years, still active.

96Species 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 →
12Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2009–2022Span
1Observers

Bird Species Found on Maryland Madonna

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Madonna 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
House SparrowPasseridae1252022+157%2011
Northern CardinalCardinalidae1202022+71%2011
American RobinTurdidae1012022+46%2011
Barn SwallowHirundinidae982022+104%2011
European StarlingSturnidae952022+9%2011
Chipping SparrowPasserellidae912022+23%2011
Indigo BuntingCardinalidae912022+12%2011
Gray CatbirdMimidae722022+112%2011
Bank SwallowHirundinidae642010n/an/a
Song SparrowPasserellidae562022+100%2011
Northern MockingbirdMimidae492022+14%2011
Carolina WrenTroglodytidae472022+195%2011
Mourning DoveColumbidae432022+2%2011
Red-eyed VireoVireonidae432022+31%2011
American CrowCorvidae402022-25%2011
House FinchFringillidae342022+140%2012
Red-winged BlackbirdIcteridae332022+107%2011
Turkey VultureCathartidae322022+158%2011
Red-bellied WoodpeckerPicidae292022+33%2011
Eastern BluebirdTurdidae282022+53%2011
Northern House WrenTroglodytidae262022+5%2011
Brown-headed CowbirdIcteridae252022+69%2011
Carolina ChickadeeParidae252022-45%2011
Eastern Wood-PeweeTyrannidae232022+88%2011
Common GrackleIcteridae222022+67%2011
Tufted TitmouseParidae212022-28%2011
Rock PigeonColumbidae202022+5%2011
American GoldfinchFringillidae202022+2%2011
Eastern KingbirdTyrannidae192022+146%2011
Purple MartinHirundinidae192022+100%2013
Common YellowthroatParulidae162022+56%2011
Cedar WaxwingBombycillidae152022+0%2011
Wood ThrushTurdidae152022-10%2011
Field SparrowPasserellidae142022+66%2011
Blue JayCorvidae132022+2%2011
White-breasted NuthatchSittidae132022+63%2011
Blue-gray GnatcatcherPolioptilidae132022+100%2011
Downy WoodpeckerPicidae112022+16%2011
Scarlet TanagerCardinalidae112022+27%2011
Chimney SwiftApodidae102022+146%2013

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