BirdAnalyst
BBS Route · Maryland · BCR 28

Potomac Park Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 108 species recorded across 54 survey years, still active.

108Species 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 →
54Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2024Span
2Observers

Bird Species Found on Maryland Potomac Park

Top 40 of 108 species by most recent count. Each links to its species trend.

Species recorded on the Potomac Park 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 RobinTurdidae492024-42%1972
Red-eyed VireoVireonidae432024+348%1972
Gray CatbirdMimidae322024+2%1972
Red-bellied WoodpeckerPicidae312024+988%1972
Northern CardinalCardinalidae282024+9%1972
Song SparrowPasserellidae272024-19%1972
European StarlingSturnidae262024-64%1972
American CrowCorvidae212024-38%1972
Mourning DoveColumbidae202024+109%1972
House SparrowPasseridae192024-78%1972
Carolina WrenTroglodytidae192024+163%1973
Chimney SwiftApodidae152024-46%1972
Red-winged BlackbirdIcteridae142024-78%1972
Brown-headed CowbirdIcteridae132024-63%1972
Chipping SparrowPasserellidae132024-69%1972
Field SparrowPasserellidae132024-68%1972
Indigo BuntingCardinalidae132024-58%1972
Eastern TowheePasserellidae122024-69%1972
Scarlet TanagerCardinalidae122024+29%1972
Eastern BluebirdTurdidae122024+25%1972
Wood ThrushTurdidae112024-57%1972
Tufted TitmouseParidae102024+18%1972
American GoldfinchFringillidae92024-73%1972
Eastern Wood-PeweeTyrannidae82024-48%1972
Barn SwallowHirundinidae82024-79%1972
Northern House WrenTroglodytidae82024-18%1972
Yellow-billed CuckooCuculidae72024+23%1972
Rock PigeonColumbidae62024-36%1972
Yellow WarblerParulidae62024+17%1972
Turkey VultureCathartidae52023+67%1979
Eastern PhoebeTyrannidae52024+0%1972
Acadian FlycatcherTyrannidae52024+50%1972
Blue JayCorvidae52024+79%1972
American RedstartParulidae52024+100%1974
White-breasted NuthatchSittidae52024+90%1972
Black-capped ChickadeeParidae52024-39%1972
House FinchFringillidae52024+171%1979
Wild TurkeyPhasianidae52024+60%1990
Common GrackleIcteridae42024-92%1972
OvenbirdParulidae42024+129%1972

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