BBS Route · Maryland · BCR 30

Cheltenham Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 94 species recorded across 38 survey years, no longer active.

Bird Species Found on Maryland Cheltenham

Top 40 of 94 species by most recent count. Each links to its species trend.

Species recorded on the Cheltenham 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 StarlingSturnidae962004-22%1969
Mourning DoveColumbidae852004+60%1969
Common GrackleIcteridae672004-35%1969
American RobinTurdidae442004+17%1969
Northern CardinalCardinalidae392004+1%1969
House SparrowPasseridae342004-52%1969
Northern MockingbirdMimidae342004-37%1969
Indigo BuntingCardinalidae252004-18%1969
Wood ThrushTurdidae202004-34%1969
Red-winged BlackbirdIcteridae192004-43%1969
Eastern TowheePasserellidae192004-25%1969
American CrowCorvidae172004+10%1969
Barn SwallowHirundinidae162004-69%1969
Red-eyed VireoVireonidae162004-31%1969
Carolina WrenTroglodytidae162004+128%1969
Canada GooseAnatidae112004-44%1999
Chimney SwiftApodidae102004+190%1969
Song SparrowPasserellidae102004-49%1969
Gray CatbirdMimidae102004+69%1969
Blue GrosbeakCardinalidae92004+12%1969
OvenbirdParulidae92004+125%1969
Blue JayCorvidae82004+15%1969
Orchard OrioleIcteridae82004+217%1969
Chipping SparrowPasserellidae82004-65%1969
Acadian FlycatcherTyrannidae72004+53%1969
Brown-headed CowbirdIcteridae72004+125%1969
Field SparrowPasserellidae72004-82%1969
Scarlet TanagerCardinalidae72004+29%1969
Common YellowthroatParulidae72004-62%1969
Red-bellied WoodpeckerPicidae62004-42%1969
American GoldfinchFringillidae52004-32%1969
Prairie WarblerParulidae52003+100%1969
Yellow-breasted ChatIcteriidae52004-35%1969
Eastern BluebirdTurdidae52002-58%1969
Northern House WrenTroglodytidae52004+150%1971
House FinchFringillidae52004+36%1984
Eastern KingbirdTyrannidae42004+71%1969
Eastern Wood-PeweeTyrannidae42004-77%1969
Tufted TitmouseParidae42004+44%1969
Brown ThrasherMimidae32004-64%1969

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