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BBS Route · Maryland · BCR 30

Jones Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 82 species recorded across 19 survey years, no longer active.

82Species 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 →
19Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–1994Span
7Observers

Bird Species Found on Maryland Jones

Top 40 of 82 species by most recent count. Each links to its species trend.

Species recorded on the Jones 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 StarlingSturnidae1381994-40%1968
House SparrowPasseridae831994-70%1968
Chimney SwiftApodidae551994+141%1968
American RobinTurdidae491994-19%1968
American CrowCorvidae481994+339%1968
Rock PigeonColumbidae421994-11%1968
Common GrackleIcteridae361994-37%1968
Northern MockingbirdMimidae361994-16%1968
House FinchFringillidae341994+864%1979
Northern CardinalCardinalidae321994-1%1968
Mourning DoveColumbidae311994+135%1968
Song SparrowPasserellidae171994+8%1968
Barn SwallowHirundinidae151994-56%1968
Gray CatbirdMimidae151994-60%1968
Eastern KingbirdTyrannidae131994+153%1968
Tufted TitmouseParidae111994+227%1968
Red-eyed VireoVireonidae101994-46%1968
Eastern TowheePasserellidae91994-68%1968
Chipping SparrowPasserellidae81994-36%1968
Carolina ChickadeeParidae81994-15%1968
Laughing GullLaridae81967n/an/a
Blue JayCorvidae71994-72%1968
Red-bellied WoodpeckerPicidae61994+25%1968
Orchard OrioleIcteridae61994+50%1974
Wood ThrushTurdidae61994-84%1968
Red-winged BlackbirdIcteridae51994+113%1968
Cedar WaxwingBombycillidae51994+400%1967
American Black DuckAnatidae51972n/an/a
Downy WoodpeckerPicidae41994-50%1973
Common YellowthroatParulidae41994+0%1968
Carolina WrenTroglodytidae41994+60%1968
Northern House WrenTroglodytidae41994-42%1968
Bank SwallowHirundinidae41975n/an/a
Common TernLaridae31968+0%1966
MallardAnatidae31994+125%1976
KilldeerCharadriidae31994+40%1973
Brown-headed CowbirdIcteridae31994+133%1968
American GoldfinchFringillidae31994-36%1968
Scarlet TanagerCardinalidae31994-36%1968
Yellow-breasted ChatIcteriidae31992-56%1967

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