BirdAnalyst
BBS Route · Maryland · BCR 30

Davidsnville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 42 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 →
42Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1982–2024Span
5Observers

Bird Species Found on Maryland Davidsnville

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

Species recorded on the Davidsnville 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
Northern CardinalCardinalidae822024+14%1984
Carolina WrenTroglodytidae632024+907%1984
American CrowCorvidae422024-31%1984
Chipping SparrowPasserellidae402024+81%1984
Tufted TitmouseParidae402024+54%1984
Red-eyed VireoVireonidae332024-49%1984
Indigo BuntingCardinalidae322024-26%1984
American GoldfinchFringillidae272024+88%1984
European StarlingSturnidae222024-69%1984
Song SparrowPasserellidae222024+16%1984
Northern MockingbirdMimidae222024-51%1984
American RobinTurdidae222024-68%1984
Mourning DoveColumbidae202024-17%1984
Eastern Wood-PeweeTyrannidae202024+23%1984
Brown-headed CowbirdIcteridae202024+89%1984
Acadian FlycatcherTyrannidae192024+37%1984
Carolina ChickadeeParidae192024-25%1984
House FinchFringillidae172024+95%1987
Red-bellied WoodpeckerPicidae162024+28%1984
Common GrackleIcteridae152024-87%1984
Eastern BluebirdTurdidae152024+88%1984
Downy WoodpeckerPicidae132024+50%1984
Blue GrosbeakCardinalidae132024-10%1984
Turkey VultureCathartidae132024+136%1989
House SparrowPasseridae112024-88%1984
Blue-gray GnatcatcherPolioptilidae112024+77%1984
Field SparrowPasserellidae102024-78%1984
OvenbirdParulidae102024-3%1984
Blue JayCorvidae92024+15%1984
Scarlet TanagerCardinalidae92024-59%1984
Great Crested FlycatcherTyrannidae82024+47%1985
Black VultureCathartidae82024+533%1997
Red-winged BlackbirdIcteridae72024-63%1984
Northern ParulaParulidae72024+6%1984
White-breasted NuthatchSittidae72024+500%1993
Barn SwallowHirundinidae62024-81%1984
Common YellowthroatParulidae62024-48%1984
Gray CatbirdMimidae62024-30%1984
Wood ThrushTurdidae62024-81%1984
Western Cattle-EgretArdeidae62008n/an/a

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