BirdAnalyst
BBS Route · North Carolina · BCR 27

Ernul Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 87 species recorded across 9 survey years, no longer active.

87Species 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 →
9Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2001–2009Span
1Observers

Bird Species Found on North Carolina Ernul

Top 40 of 87 species by most recent count. Each links to its species trend.

Species recorded on the Ernul 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
Laughing GullLaridae5002008+32%2003
American CrowCorvidae712009-12%2003
Purple MartinHirundinidae612009+202%2003
Northern CardinalCardinalidae542009+49%2003
Carolina WrenTroglodytidae442009+5%2003
Blue-gray GnatcatcherPolioptilidae442009+6%2003
European StarlingSturnidae432009+6%2003
Yellow-breasted ChatIcteriidae402009+35%2003
Mourning DoveColumbidae392009+45%2003
Turkey VultureCathartidae322009+58%2003
Indigo BuntingCardinalidae282009+26%2003
Common GrackleIcteridae192009+34%2003
Tufted TitmouseParidae192009+24%2003
Eastern TowheePasserellidae182009+48%2003
Northern BobwhiteOdontophoridae172009+23%2003
Barn SwallowHirundinidae162009+36%2003
Common YellowthroatParulidae162009-7%2003
Great Crested FlycatcherTyrannidae112009+29%2003
Eastern Wood-PeweeTyrannidae112009-18%2003
Red-bellied WoodpeckerPicidae102009+59%2003
Brown-headed CowbirdIcteridae102009+65%2003
Northern ParulaParulidae102009+75%2003
Wood ThrushTurdidae102009-43%2003
Yellow-billed CuckooCuculidae92009+9%2003
Acadian FlycatcherTyrannidae92009-39%2003
Blue JayCorvidae92009+38%2003
Yellow-throated WarblerParulidae92009+110%2003
American RobinTurdidae92009-49%2003
Gray CatbirdMimidae82009-15%2003
Brown ThrasherMimidae82009+75%2003
Fish CrowCorvidae72009+68%2003
Chipping SparrowPasserellidae72009-21%2003
Blue GrosbeakCardinalidae72009-23%2003
Summer TanagerCardinalidae72009-18%2003
White-eyed VireoVireonidae72009-7%2003
Eastern BluebirdTurdidae72009+4%2003
Prairie WarblerParulidae62009+20%2003
Northern MockingbirdMimidae62009-20%2003
Carolina ChickadeeParidae62009-39%2003
KilldeerCharadriidae62009+111%2004

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