BirdAnalyst
BBS Route · North Carolina · BCR 27

California 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 11 survey years, still active.

95Species 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 →
11Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2014–2025Span
2Observers

Bird Species Found on North Carolina California 2

Top 40 of 95 species by most recent count. Each links to its species trend.

Species recorded on the California 2 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 StarlingSturnidae902025+16%2016
American CrowCorvidae522025+10%2016
Turkey VultureCathartidae462025-16%2016
Northern CardinalCardinalidae432025+59%2016
Mourning DoveColumbidae412025-22%2016
Carolina WrenTroglodytidae342025+51%2016
Northern MockingbirdMimidae332025+14%2016
OvenbirdParulidae272025-6%2016
Tufted TitmouseParidae272025-4%2016
White-eyed VireoVireonidae222025+58%2016
Chipping SparrowPasserellidae212025+15%2016
Purple MartinHirundinidae212025+22%2016
Pine WarblerParulidae212025-2%2016
Common GrackleIcteridae192025-66%2016
Red-eyed VireoVireonidae192025-34%2016
American RobinTurdidae192025-22%2016
Eastern BluebirdTurdidae192025+0%2016
Wild TurkeyPhasianidae182025+17%2016
Red-bellied WoodpeckerPicidae182025+51%2016
Chimney SwiftApodidae172025-3%2016
Fish CrowCorvidae172025+62%2016
Brown-headed CowbirdIcteridae172025+21%2016
Blue-gray GnatcatcherPolioptilidae172025+53%2016
Great Crested FlycatcherTyrannidae162025-51%2016
Indigo BuntingCardinalidae142025-32%2016
Eastern TowheePasserellidae132025-25%2016
Summer TanagerCardinalidae132025-33%2016
Blue GrosbeakCardinalidae122025-29%2016
Common YellowthroatParulidae122025+14%2016
KilldeerCharadriidae112025-30%2016
Barn SwallowHirundinidae112025+27%2016
Black VultureCathartidae102025-47%2016
American GoldfinchFringillidae102025+3%2016
Carolina ChickadeeParidae102025+46%2016
Acadian FlycatcherTyrannidae92025-4%2016
Blue JayCorvidae92025-7%2016
Red-winged BlackbirdIcteridae92025+200%2016
Yellow-throated VireoVireonidae92025+24%2016
Prairie WarblerParulidae92025-53%2016
Brown ThrasherMimidae92025-16%2016

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