BirdAnalyst
BBS Route · Maryland · BCR 30

Severna Park Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 93 species recorded across 28 survey years, no longer active.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 →
28Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1982–2011Span
3Observers

Bird Species Found on Maryland Severna Park

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

Species recorded on the Severna Park 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
American RobinTurdidae782011-16%1986
Northern CardinalCardinalidae542011-7%1986
European StarlingSturnidae452011-70%1986
Common GrackleIcteridae332011-2%1986
Mourning DoveColumbidae292011-38%1986
Laughing GullLaridae241997n/an/a
House FinchFringillidae222011+6%1986
American CrowCorvidae212011-26%1986
Carolina WrenTroglodytidae212011+195%1986
Tufted TitmouseParidae202011+43%1986
American GoldfinchFringillidae142011+50%1986
Carolina ChickadeeParidae142011-6%1986
Red-bellied WoodpeckerPicidae132011+28%1986
Chipping SparrowPasserellidae122011-59%1986
Wood ThrushTurdidae122011-67%1986
Blue JayCorvidae102011-47%1986
Gray CatbirdMimidae102011-71%1986
House SparrowPasseridae92011-71%1986
Northern MockingbirdMimidae92011-74%1986
Great Crested FlycatcherTyrannidae72011+54%1986
Song SparrowPasserellidae62010-77%1986
Indigo BuntingCardinalidae62011-59%1986
Acadian FlycatcherTyrannidae52011-8%1986
Eastern TowheePasserellidae52011-54%1986
Red-eyed VireoVireonidae52011-80%1986
Barn SwallowHirundinidae42011-76%1986
Cedar WaxwingBombycillidae42009+17%1986
Chimney SwiftApodidae32011-44%1986
Brown-headed CowbirdIcteridae32011-65%1986
Purple MartinHirundinidae32010-14%1986
Northern House WrenTroglodytidae32011-69%1986
Pileated WoodpeckerPicidae32011+25%1999
Fish CrowCorvidae32011+129%1988
White-breasted NuthatchSittidae32011+40%1998
MallardAnatidae32009+67%1996
Tree SwallowHirundinidae32001n/an/a
Rock PigeonColumbidae22008-53%1986
Broad-winged HawkAccipitridae21982n/an/a
Eastern Wood-PeweeTyrannidae22011-88%1986
Baltimore OrioleIcteridae22009-30%1987

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