BirdAnalyst
BBS Route · Maryland · BCR 30

Beltsville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 102 species recorded across 46 survey years, no longer active.

102Species 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 →
46Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2012Span
2Observers

Bird Species Found on Maryland Beltsville

Top 40 of 102 species by most recent count. Each links to its species trend.

Species recorded on the Beltsville 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 RobinTurdidae712012+34%1969
European StarlingSturnidae372012-78%1969
Carolina WrenTroglodytidae372012+517%1970
Common GrackleIcteridae292012-76%1969
Chimney SwiftApodidae252012+29%1969
House SparrowPasseridae252012-40%1969
Northern CardinalCardinalidae242012+51%1969
Mourning DoveColumbidae232012+7%1969
Blue JayCorvidae222012+75%1969
American GoldfinchFringillidae192012+211%1969
House FinchFringillidae182012+418%1983
Gray CatbirdMimidae172012-28%1969
Northern MockingbirdMimidae162012-69%1969
Turkey VultureCathartidae142009+400%2001
Indigo BuntingCardinalidae132012-60%1969
Chipping SparrowPasserellidae122012-43%1969
American CrowCorvidae112012-39%1969
Downy WoodpeckerPicidae102012+80%1970
Rock PigeonColumbidae92011-41%1969
Carolina ChickadeeParidae92012+47%1969
MallardAnatidae92012+140%1985
Song SparrowPasserellidae82012-50%1969
Tufted TitmouseParidae82012-17%1969
White-breasted NuthatchSittidae72012+433%1990
Eastern KingbirdTyrannidae62012-44%1969
Fish CrowCorvidae62012+225%1974
Eastern TowheePasserellidae62012-51%1969
Red-eyed VireoVireonidae62012-67%1969
Wood ThrushTurdidae62012-49%1969
Eastern Wood-PeweeTyrannidae52012+64%1969
Northern House WrenTroglodytidae52012-61%1969
Northern BobwhiteOdontophoridae41992-96%1969
Northern Rough-winged SwallowHirundinidae42008+133%1982
Cedar WaxwingBombycillidae42011+11%1982
Barred OwlStrigidae32004+100%1987
Red-bellied WoodpeckerPicidae32012-24%1969
Red-winged BlackbirdIcteridae32012-94%1969
Barn SwallowHirundinidae32012-92%1969
Common YellowthroatParulidae32012-79%1969
Hairy WoodpeckerPicidae32010+50%1975

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