BirdAnalyst
BBS Route · Maryland · BCR 30

Fair Hill Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 84 species recorded across 5 survey years, no longer active.

84Species 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 →
5Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–1996Span
1Observers

Bird Species Found on Maryland Fair Hill

Top 40 of 84 species by most recent count. Each links to its species trend.

Species recorded on the Fair 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
European StarlingSturnidae781996-62%1993
American RobinTurdidae781996-3%1993
Common GrackleIcteridae721996-57%1993
Northern MockingbirdMimidae561996+9%1993
Mourning DoveColumbidae381996+35%1993
House FinchFringillidae341996-33%1993
Red-winged BlackbirdIcteridae271996-31%1993
American CrowCorvidae261996+10%1993
Northern CardinalCardinalidae241996-18%1993
Indigo BuntingCardinalidae231996+36%1993
Wood ThrushTurdidae221996+63%1993
House SparrowPasseridae201996-37%1993
Song SparrowPasserellidae191996+29%1993
Chimney SwiftApodidae151996+11%1993
Chipping SparrowPasserellidae151996+21%1993
Northern House WrenTroglodytidae151996+53%1993
MallardAnatidae13199613×1992
Gray CatbirdMimidae131996+86%1993
Blue JayCorvidae101996-4%1993
Red-eyed VireoVireonidae101996-20%1993
Canada GooseAnatidae101996+5%1994
Barn SwallowHirundinidae91996-43%1993
Common YellowthroatParulidae91996-16%1993
Tufted TitmouseParidae91996+18%1993
Turkey VultureCathartidae81996+300%1992
Orchard OrioleIcteridae81996+71%1993
Red-bellied WoodpeckerPicidae71996+6%1993
Great Blue HeronArdeidae61996+60%1993
Carolina ChickadeeParidae61996+33%1993
Eastern Wood-PeweeTyrannidae51996-7%1993
American GoldfinchFringillidae51996-25%1993
Cedar WaxwingBombycillidae51996-20%1993
Warbling VireoVireonidae51996+400%1993
Northern BobwhiteOdontophoridae41995+0%1993
Eastern KingbirdTyrannidae41996-19%1993
Brown-headed CowbirdIcteridae41996+33%1993
White-eyed VireoVireonidae41996+60%1993
OvenbirdParulidae41996+75%1994
Carolina WrenTroglodytidae41996-46%1993
Eastern BluebirdTurdidae41996+125%1993

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