BirdAnalyst
BBS Route · North Carolina · BCR 27

Dudley Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 22 survey years, still active.

89Species 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 →
22Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2002–2024Span
1Observers

Bird Species Found on North Carolina Dudley

Top 40 of 89 species by most recent count. Each links to its species trend.

Species recorded on the Dudley 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
Mourning DoveColumbidae1032024-40%2004
American CrowCorvidae552024+114%2004
Northern MockingbirdMimidae512024+3%2004
Chipping SparrowPasserellidae412024+57%2004
Carolina WrenTroglodytidae402024+137%2004
Northern CardinalCardinalidae342024-21%2004
Indigo BuntingCardinalidae322024-14%2004
Eastern BluebirdTurdidae272024+49%2004
Blue GrosbeakCardinalidae252024+385%2004
Brown-headed CowbirdIcteridae212024-2%2004
Carolina ChickadeeParidae202024+35%2004
KilldeerCharadriidae192024+30%2004
Red-bellied WoodpeckerPicidae182024+4%2004
House SparrowPasseridae182024-57%2004
Blue-gray GnatcatcherPolioptilidae182024+25%2004
Eastern KingbirdTyrannidae142024+41%2004
Great Crested FlycatcherTyrannidae142024+127%2005
Blue JayCorvidae132024-47%2004
Tufted TitmouseParidae132024-12%2004
Barn SwallowHirundinidae122024-36%2004
Canada GooseAnatidae102023+500%2004
Red-eyed VireoVireonidae102024+63%2004
Red-shouldered HawkAccipitridae102024+375%2007
House FinchFringillidae92024+44%2004
European StarlingSturnidae82024-89%2004
Eastern MeadowlarkIcteridae72024-26%2004
Common GrackleIcteridae72024-94%2004
Yellow-billed CuckooCuculidae62024-33%2004
Red-winged BlackbirdIcteridae62024-24%2004
American GoldfinchFringillidae62024+13%2005
White-eyed VireoVireonidae62024+80%2005
American RobinTurdidae52024-66%2004
Turkey VultureCathartidae52024+117%2005
Brown-headed NuthatchSittidae52024+38%2007
Northern BobwhiteOdontophoridae42024-69%2004
Downy WoodpeckerPicidae42024+57%2004
Chimney SwiftApodidae42024-51%2004
Eastern Wood-PeweeTyrannidae42024-58%2004
Horned LarkAlaudidae42024+33%2004
Field SparrowPasserellidae42024-64%2004

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