BirdAnalyst
BBS Route · Maryland · BCR 30

Davidsnville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 43 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 →
43Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1982–2025Span
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 CardinalCardinalidae712025+7%1984
American CrowCorvidae422025-27%1984
Chipping SparrowPasserellidae332025+53%1984
European StarlingSturnidae272025-62%1984
Red-eyed VireoVireonidae262025-52%1984
Tufted TitmouseParidae262025+54%1984
Indigo BuntingCardinalidae252025-36%1984
House FinchFringillidae252025+157%1987
Carolina WrenTroglodytidae242025+800%1984
Eastern Wood-PeweeTyrannidae202025+17%1984
Carolina ChickadeeParidae202025-8%1984
Acadian FlycatcherTyrannidae192025+33%1984
Northern MockingbirdMimidae182025-53%1984
Mourning DoveColumbidae162025-30%1984
American RobinTurdidae162025-68%1984
Red-bellied WoodpeckerPicidae152025+6%1984
American GoldfinchFringillidae152025+84%1984
Song SparrowPasserellidae152025+25%1984
Brown-headed CowbirdIcteridae122025+75%1984
OvenbirdParulidae112025-8%1984
Red-winged BlackbirdIcteridae102025-66%1984
Scarlet TanagerCardinalidae102025-38%1984
House SparrowPasseridae102025-86%1984
Black VultureCathartidae102025+567%1997
Eastern BluebirdTurdidae92025+88%1984
Blue JayCorvidae82025+0%1984
Blue GrosbeakCardinalidae82025+7%1984
Northern ParulaParulidae82025+17%1984
Turkey VultureCathartidae72025+118%1989
Pileated WoodpeckerPicidae62025+250%1988
Common YellowthroatParulidae62025-50%1984
Blue-gray GnatcatcherPolioptilidae62025+29%1984
Western Cattle-EgretArdeidae62008n/an/a
Barn SwallowHirundinidae52025-75%1984
Gray CatbirdMimidae52025-41%1984
Wood ThrushTurdidae52025-86%1984
Red-headed WoodpeckerPicidae52025+75%2022
Wild TurkeyPhasianidae52023+133%2003
Eastern PhoebeTyrannidae52025+13%1987
Common GrackleIcteridae42025-91%1984

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.