BirdAnalyst
BBS Route · North Carolina · BCR 29

Durham Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 94 species recorded across 34 survey years, still active.

94Species 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 →
34Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1990–2025Span
4Observers

Bird Species Found on North Carolina Durham

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

Species recorded on the Durham 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 CrowCorvidae622025+170%1992
Northern CardinalCardinalidae622025+50%1992
Chipping SparrowPasserellidae552025+110%1992
Carolina WrenTroglodytidae502025-2%1992
Red-eyed VireoVireonidae292025-3%1992
Tufted TitmouseParidae292025+34%1992
Eastern BluebirdTurdidae292025+102%1992
Mourning DoveColumbidae262025-27%1992
Northern MockingbirdMimidae262025+55%1992
Carolina ChickadeeParidae252025+114%1992
Blue JayCorvidae192025-11%1992
Red-bellied WoodpeckerPicidae182025+74%1992
Indigo BuntingCardinalidae182025-60%1992
Blue-gray GnatcatcherPolioptilidae182025+123%1992
Turkey VultureCathartidae172025+414%1992
House FinchFringillidae172025+743%1992
Yellow-billed CuckooCuculidae142025+57%1992
Blue GrosbeakCardinalidae132025+8%1992
Pine WarblerParulidae132025+74%1992
White-eyed VireoVireonidae132025+433%1996
Eastern Wood-PeweeTyrannidae122025-16%1992
House SparrowPasseridae122025+186%1992
Summer TanagerCardinalidae122025+164%1993
European StarlingSturnidae102025+67%1992
Acadian FlycatcherTyrannidae102025+178%1993
Downy WoodpeckerPicidae82025+61%1993
Brown-headed CowbirdIcteridae72025+71%1992
Common YellowthroatParulidae72025+19%1992
Yellow-throated WarblerParulidae72025+113%1993
White-breasted NuthatchSittidae72025+160%1994
Blue-headed VireoVireonidae72021+43%2010
Barn SwallowHirundinidae62025+300%1992
Red-shouldered HawkAccipitridae62025+500%2001
American GoldfinchFringillidae52025-5%1992
Field SparrowPasserellidae52024-71%1992
Eastern TowheePasserellidae52025-50%1992
Purple MartinHirundinidae52025-22%1998
Black VultureCathartidae52025+50%2001
Great Blue HeronArdeidae52025+75%2003
Chimney SwiftApodidae42025-80%1992

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