BirdAnalyst
BBS Route · North Carolina · BCR 29

Climax Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 101 species recorded across 47 survey years, still active.

101Species 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 →
47Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2025Span
6Observers

Bird Species Found on North Carolina Climax

Top 40 of 101 species by most recent count. Each links to its species trend.

Species recorded on the Climax 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
Northern CardinalCardinalidae752025+83%1968
American CrowCorvidae622025+88%1968
Black VultureCathartidae602025+403%2000
Carolina WrenTroglodytidae512025+379%1968
Chipping SparrowPasserellidae432025-5%1968
Northern MockingbirdMimidae352025-14%1968
Eastern BluebirdTurdidae342025+746%1968
American GoldfinchFringillidae322025+379%1970
House FinchFringillidae302025+31%2000
Tufted TitmouseParidae242025+307%1968
Blue JayCorvidae222025-32%1968
Mourning DoveColumbidae192025-33%1968
House SparrowPasseridae162025-72%1968
Red-bellied WoodpeckerPicidae152025+89%1968
Indigo BuntingCardinalidae142025-56%1968
European StarlingSturnidae132025-23%1968
Eastern MeadowlarkIcteridae132025-76%1968
Blue GrosbeakCardinalidae132025-42%1968
Chimney SwiftApodidae122025-60%1968
Eastern TowheePasserellidae112025-9%1968
Red-eyed VireoVireonidae112025-21%1968
Brown ThrasherMimidae112025+109%1968
Carolina ChickadeeParidae102025+18%1968
Turkey VultureCathartidae102025+175%1994
Common GrackleIcteridae92025-75%1968
American RobinTurdidae92025-55%1968
Eastern Wood-PeweeTyrannidae82025-59%1968
Blue-gray GnatcatcherPolioptilidae72025+29%1968
Brown-headed CowbirdIcteridae62025+300%1968
Scarlet TanagerCardinalidae62008+240%1976
Purple MartinHirundinidae62025+220%1969
Rock PigeonColumbidae62021-36%1970
Fish CrowCorvidae62025+225%2015
Great Crested FlycatcherTyrannidae52025-12%1968
Field SparrowPasserellidae52025-81%1968
White-eyed VireoVireonidae52025+100%1968
Eastern PhoebeTyrannidae42025+186%1968
Barn SwallowHirundinidae42025+257%1971
Pine WarblerParulidae42025+75%1968
OvenbirdParulidae42025-20%1969

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