BirdAnalyst
BBS Route · North Carolina · BCR 27

Hertford Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 90 species recorded across 16 survey years, still active.

90Species 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1997–2024Span
3Observers

Bird Species Found on North Carolina Hertford

Top 40 of 90 species by most recent count. Each links to its species trend.

Species recorded on the Hertford 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
Common GrackleIcteridae712024-41%1999
Mourning DoveColumbidae612024+26%1999
American CrowCorvidae362024+24%1999
Carolina WrenTroglodytidae362024+60%1999
European StarlingSturnidae332024+22%1999
Northern CardinalCardinalidae322024+13%1999
Turkey VultureCathartidae302024+166%2007
Northern MockingbirdMimidae242024+36%1999
Blue GrosbeakCardinalidae162024+51%2006
Brown ThrasherMimidae162024+170%1999
Chipping SparrowPasserellidae152024-27%1999
Indigo BuntingCardinalidae152024-21%1999
Red-bellied WoodpeckerPicidae142024+263%1999
House SparrowPasseridae142024+100%1999
Barn SwallowHirundinidae132024+36%1999
Double-crested CormorantPhalacrocoracidae122013n/an/a
Canada GooseAnatidae112023+21%2011
Brown-headed CowbirdIcteridae102024+0%1999
Common YellowthroatParulidae102024+260%1999
Red-winged BlackbirdIcteridae102024+159%2007
Tufted TitmouseParidae92024-19%1999
KilldeerCharadriidae82024+14%1999
Northern BobwhiteOdontophoridae62024-62%1999
Blue JayCorvidae62024-15%1999
Carolina ChickadeeParidae62024-35%1999
White-eyed VireoVireonidae62024-7%2008
Blue-gray GnatcatcherPolioptilidae62024-50%2008
American RobinTurdidae52024-68%1999
Eastern BluebirdTurdidae52024-45%1999
Field SparrowPasserellidae52024-11%2008
Great Crested FlycatcherTyrannidae42024+50%1999
Purple MartinHirundinidae42024+93%1999
OvenbirdParulidae42024-27%1999
Eastern MeadowlarkIcteridae42024+83%2006
MallardAnatidae42024+150%2014
Chimney SwiftApodidae32024-85%1999
Eastern KingbirdTyrannidae32024-52%1999
Acadian FlycatcherTyrannidae32024-18%2007
Hairy WoodpeckerPicidae32017+100%2013
Northern Rough-winged SwallowHirundinidae32018+100%2013

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