BirdAnalyst
BBS Route · Maryland · BCR 30

Sinepuxent Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 101 species recorded across 12 survey years, no longer active.

101Species 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 →
1966–1978Span
4Observers

Bird Species Found on Maryland Sinepuxent

Top 40 of 101 species by most recent count. Each links to its species trend.

Species recorded on the Sinepuxent 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 SparrowPasseridae2411978+20%1968
European StarlingSturnidae2331978+24%1968
Common GrackleIcteridae1601978-38%1968
Laughing GullLaridae1501978+229%1968
Northern BobwhiteOdontophoridae681978-4%1968
Red-eyed VireoVireonidae431978+263%1968
Indigo BuntingCardinalidae361978+10%1968
Barn SwallowHirundinidae331978+58%1968
Wood ThrushTurdidae291978+93%1968
Red-winged BlackbirdIcteridae271978+26%1968
Blue JayCorvidae251978+173%1968
American CrowCorvidae231978-18%1968
Northern MockingbirdMimidae231978+72%1968
American RobinTurdidae231978+5%1968
Northern CardinalCardinalidae211978-36%1968
Common YellowthroatParulidae211978+64%1968
Chipping SparrowPasserellidae201978-37%1968
OvenbirdParulidae201978+116%1968
Carolina WrenTroglodytidae191978+220%1968
Brown-headed CowbirdIcteridae181978-6%1968
Blue GrosbeakCardinalidae161978+73%1969
Fish CrowCorvidae131978+733%1968
Chimney SwiftApodidae121978+6%1968
Song SparrowPasserellidae121978+22%1968
Horned LarkAlaudidae101978+40%1968
Scarlet TanagerCardinalidae101978+313%1968
Pine WarblerParulidae101978+400%1969
Mourning DoveColumbidae91978-5%1968
Tufted TitmouseParidae91978-14%1968
Red-bellied WoodpeckerPicidae81978+21%1968
Eastern TowheePasserellidae81978-39%1968
Turkey VultureCathartidae71978+57%1968
Acadian FlycatcherTyrannidae71978+0%1968
Eastern MeadowlarkIcteridae71978+233%1968
Carolina ChickadeeParidae71978+143%1968
Rock PigeonColumbidae61978-81%1968
Yellow-billed CuckooCuculidae61978-21%1968
Great Crested FlycatcherTyrannidae61978-20%1968
Eastern Wood-PeweeTyrannidae61978+114%1968
White-eyed VireoVireonidae61978+33%1968

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