BBS Route · Maryland · BCR 30

Golden Hill Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 116 species recorded across 55 survey years, still active.

Bird Species Found on Maryland Golden Hill

Top 40 of 116 species by most recent count. Each links to its species trend.

Species recorded on the Golden Hill 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 RobinTurdidae872025+124%1968
Common GrackleIcteridae802025-58%1968
Red-winged BlackbirdIcteridae782025+42%1968
European StarlingSturnidae572025-10%1968
Mourning DoveColumbidae482025+473%1968
American CrowCorvidae322025-39%1968
Boat-tailed GrackleIcteridae29200829×2002
Glossy IbisThreskiornithidae251972n/an/a
Indigo BuntingCardinalidae212025-24%1968
House SparrowPasseridae212025-85%1968
Northern CardinalCardinalidae202025-55%1968
Blue GrosbeakCardinalidae182025+273%1968
Northern MockingbirdMimidae152025-40%1968
Rock PigeonColumbidae142025+42%1971
Purple MartinHirundinidae132025-54%1968
Common YellowthroatParulidae132025-42%1968
House FinchFringillidae132025-24%1991
Chimney SwiftApodidae122025-33%1968
Chipping SparrowPasserellidae122025-42%1968
Carolina WrenTroglodytidae122025+190%1968
American GoldfinchFringillidae112025+100%1968
Eastern BluebirdTurdidae102025+500%1975
Red-bellied WoodpeckerPicidae82025+25%1968
Grasshopper SparrowPasserellidae82025+56%1968
Tufted TitmouseParidae82025-60%1968
Barn SwallowHirundinidae62025-29%1968
Least TernLaridae61995-32%1982
Canada GooseAnatidae52023+164%1992
Forster's TernLaridae52006+100%1995
Great Crested FlycatcherTyrannidae42025-57%1968
Blue JayCorvidae42025-42%1968
Brown-headed CowbirdIcteridae42024-64%1968
Song SparrowPasserellidae42023-54%1968
Summer TanagerCardinalidae42025+14%1969
Carolina ChickadeeParidae42025+6%1968
Wood ThrushTurdidae42025-80%1968
Hooded WarblerParulidae41969n/an/a
Herring GullLaridae42021+300%1971
Great EgretArdeidae42021+60%1982
KilldeerCharadriidae32025+367%1971

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.