BBS Route · Maryland · BCR 30

Newark Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 125 species recorded across 57 survey years, still active.

Bird Species Found on Maryland Newark

Top 40 of 125 species by most recent count. Each links to its species trend.

Species recorded on the Newark 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
Laughing GullLaridae1002025-12%1968
Ring-billed GullLaridae100198417×1979
American CrowCorvidae602025+133%1968
Indigo BuntingCardinalidae482025+35%1968
Mourning DoveColumbidae462025+213%1968
Common GrackleIcteridae392025-55%1968
Canada GooseAnatidae352025+35%1999
European StarlingSturnidae332025-33%1968
Purple MartinHirundinidae31202521×1973
Carolina WrenTroglodytidae262025+577%1968
Red-winged BlackbirdIcteridae242025-12%1968
Chipping SparrowPasserellidae222025-35%1968
OvenbirdParulidae222025+43%1968
Blue GrosbeakCardinalidae212025+644%1968
Common YellowthroatParulidae212025+10%1968
Northern CardinalCardinalidae192025-52%1968
Tufted TitmouseParidae182025+4%1968
American RobinTurdidae172025-46%1968
Northern MockingbirdMimidae162025+111%1968
White-eyed VireoVireonidae142025+30%1968
Rock PigeonColumbidae132024-61%1968
Carolina ChickadeeParidae132025+236%1968
Grasshopper SparrowPasserellidae122025+675%1968
Summer TanagerCardinalidae112025+380%1968
Red-eyed VireoVireonidae112025+85%1968
Herring GullLaridae112025+163%1972
Brown-headed CowbirdIcteridae102025-12%1968
Barn SwallowHirundinidae102025-66%1968
American GoldfinchFringillidae92025+35%1968
Glossy IbisThreskiornithidae82025+383%1968
Pine WarblerParulidae72025+41%1968
Yellow-breasted ChatIcteriidae72025-61%1968
Blue-gray GnatcatcherPolioptilidae72025+107%1968
Wood ThrushTurdidae72025-76%1968
Eastern BluebirdTurdidae72025+433%1976
Great Crested FlycatcherTyrannidae62025-39%1968
Eastern Wood-PeweeTyrannidae62025-35%1968
Turkey VultureCathartidae52025+920%1968
Downy WoodpeckerPicidae52025-14%1968
Yellow-billed CuckooCuculidae52025-57%1969

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