BirdAnalyst
BBS Route · Maryland · BCR 30

Broomes Isl Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 31 survey years, no longer active.

97Species 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 →
31Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–1996Span
2Observers

Bird Species Found on Maryland Broomes Isl

Top 40 of 97 species by most recent count. Each links to its species trend.

Species recorded on the Broomes Isl 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
Common GrackleIcteridae1041996-22%1968
European StarlingSturnidae591996-32%1968
American RobinTurdidae461996+75%1968
Mourning DoveColumbidae271996+4%1968
Northern CardinalCardinalidae271996-58%1968
American CrowCorvidae251996+80%1968
Purple MartinHirundinidae251996+67%1968
Chipping SparrowPasserellidae241996-46%1968
Northern MockingbirdMimidae241996-74%1968
House FinchFringillidae211996+900%1988
Red-winged BlackbirdIcteridae201996-61%1968
Indigo BuntingCardinalidae191996-59%1968
Red-eyed VireoVireonidae161996-36%1968
Barn SwallowHirundinidae131996-77%1968
House SparrowPasseridae131996-86%1968
Turkey VultureCathartidae131996+50%1970
Chimney SwiftApodidae101996-58%1968
Blue JayCorvidae101996-7%1968
Carolina ChickadeeParidae101996-61%1968
Eastern BluebirdTurdidae101996+140%1968
Rock PigeonColumbidae101994+225%1968
Tufted TitmouseParidae91996-31%1968
Northern ParulaParulidae81996+29%1968
Acadian FlycatcherTyrannidae71996+0%1968
Wood ThrushTurdidae71996-26%1968
Red-bellied WoodpeckerPicidae61996-43%1968
Brown-headed CowbirdIcteridae61996+217%1968
OspreyPandionidae61996+260%1970
Eastern MeadowlarkIcteridae51996-50%1968
Scarlet TanagerCardinalidae51996-30%1968
Carolina WrenTroglodytidae51996-33%1968
MallardAnatidae51996+57%1988
Downy WoodpeckerPicidae31996-76%1968
Kentucky WarblerParulidae31991-25%1968
Ruby-throated HummingbirdTrochilidae31996+20%1970
Red-shouldered HawkAccipitridae31991+133%1977
Broad-winged HawkAccipitridae31981+100%1972
Black VultureCathartidae31994-62%1982
Great Blue HeronArdeidae21994+25%1968
Eastern KingbirdTyrannidae21996-79%1968

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