BBS Route · Maryland · BCR 30

Easton Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 110 species recorded across 48 survey years, still active.

Bird Species Found on Maryland Easton

Top 40 of 110 species by most recent count. Each links to its species trend.

Species recorded on the Easton 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
Red-winged BlackbirdIcteridae922021-61%1969
European StarlingSturnidae802021+223%1969
Common GrackleIcteridae702021-65%1969
American RobinTurdidae57202112×1969
Northern CardinalCardinalidae542021+70%1969
House SparrowPasseridae402021-78%1969
Indigo BuntingCardinalidae372021+89%1969
Ring-billed GullLaridae322005-91%1997
Blue GrosbeakCardinalidae302021+213%1969
Carolina WrenTroglodytidae272021+767%1969
Chipping SparrowPasserellidae252021+139%1969
Northern MockingbirdMimidae242021-20%1969
Tufted TitmouseParidae232021+94%1969
Mourning DoveColumbidae212021-12%1969
Barn SwallowHirundinidae212021+78%1969
American CrowCorvidae192021-63%1969
Purple MartinHirundinidae172021+170%1973
Rock PigeonColumbidae162019-55%1970
Carolina ChickadeeParidae142021+83%1969
Chimney SwiftApodidae132021-41%1969
Common YellowthroatParulidae132021-31%1969
Great Crested FlycatcherTyrannidae122021+48%1969
American GoldfinchFringillidae122021+109%1969
Song SparrowPasserellidae122021+35%1969
Grasshopper SparrowPasserellidae112021-18%1969
Eastern BluebirdTurdidae112021+50%1986
Turkey VultureCathartidae102021-49%1969
Horned LarkAlaudidae102021-12%1969
Red-bellied WoodpeckerPicidae92021+40%1969
Blue JayCorvidae92021-59%1969
Eastern Wood-PeweeTyrannidae82021+0%1970
Brown-headed CowbirdIcteridae82021+32%1969
Canada GooseAnatidae62021-60%1996
Wood ThrushTurdidae52021-78%1969
Great EgretArdeidae51987n/an/a
KilldeerCharadriidae42021+71%1969
Downy WoodpeckerPicidae42021-17%1970
Fish CrowCorvidae42021-13%1972
Western Cattle-EgretArdeidae41990-50%1976
White-breasted NuthatchSittidae42021+133%1990

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