BirdAnalyst
BBS Route · Maryland · BCR 30

Pt Republic Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 93 species recorded across 24 survey years, no longer active.

93Species 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 →
24Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–1989Span
4Observers

Bird Species Found on Maryland Pt Republic

Top 40 of 93 species by most recent count. Each links to its species trend.

Species recorded on the Pt Republic 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
European StarlingSturnidae1031989-28%1968
Common GrackleIcteridae651989+67%1968
Indigo BuntingCardinalidae441989-5%1968
Northern CardinalCardinalidae431989-38%1968
Chipping SparrowPasserellidae381989+11%1968
American CrowCorvidae371989+22%1968
Northern MockingbirdMimidae361989-63%1968
Mourning DoveColumbidae341989-3%1968
Red-eyed VireoVireonidae311989+60%1968
American RobinTurdidae311989-4%1968
Tufted TitmouseParidae251989+103%1968
Carolina WrenTroglodytidae191989+207%1970
House SparrowPasseridae171989-72%1968
Wood ThrushTurdidae171989+6%1968
House FinchFringillidae171989+575%1986
Blue GrosbeakCardinalidae161989+181%1968
Chimney SwiftApodidae141989+131%1968
Eastern Wood-PeweeTyrannidae141989+83%1968
Field SparrowPasserellidae141989-64%1968
Common YellowthroatParulidae131989-47%1968
Red-bellied WoodpeckerPicidae121989+129%1968
Acadian FlycatcherTyrannidae121989+131%1968
Purple MartinHirundinidae121989+218%1972
Northern BobwhiteOdontophoridae111989-68%1968
Barn SwallowHirundinidae111989-25%1968
Blue JayCorvidae101989-28%1968
Northern ParulaParulidae101989+233%1968
Blue-gray GnatcatcherPolioptilidae101989+240%1968
Downy WoodpeckerPicidae81989+133%1968
Eastern TowheePasserellidae81989-52%1968
Red-winged BlackbirdIcteridae71989-82%1968
Eastern BluebirdTurdidae71989-51%1968
Brown-headed CowbirdIcteridae61989+185%1968
Grasshopper SparrowPasserellidae61989-62%1968
Song SparrowPasserellidae61989+88%1968
Yellow-breasted ChatIcteriidae61989-57%1968
Carolina ChickadeeParidae61989+53%1968
Yellow-billed CuckooCuculidae51988+17%1969
Eastern PhoebeTyrannidae51989+40%1968
American GoldfinchFringillidae51989-61%1968

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