BirdAnalyst
BBS Route · North Carolina · BCR 29

Climax Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 101 species recorded across 46 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 →
46Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2024Span
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
Black VultureCathartidae822024+303%2000
Northern CardinalCardinalidae682024+70%1968
American CrowCorvidae662024+83%1968
European StarlingSturnidae542024-28%1968
Carolina WrenTroglodytidae472024+317%1968
Chipping SparrowPasserellidae432024-11%1968
Northern MockingbirdMimidae422024-12%1968
Eastern BluebirdTurdidae362024+723%1968
House FinchFringillidae282024+23%2000
Mourning DoveColumbidae252024-19%1968
Tufted TitmouseParidae242024+253%1968
American GoldfinchFringillidae182024+200%1970
Barn SwallowHirundinidae172024+400%1971
Chimney SwiftApodidae162024-43%1968
Purple MartinHirundinidae162024+220%1969
House SparrowPasseridae152024-72%1968
Indigo BuntingCardinalidae142024-54%1968
Carolina ChickadeeParidae142024+18%1968
Blue JayCorvidae132024-44%1968
Turkey VultureCathartidae132024+225%1994
Brown-headed CowbirdIcteridae112024+388%1968
Common GrackleIcteridae112024-68%1968
Blue GrosbeakCardinalidae112024-48%1968
American RobinTurdidae102024-50%1968
Red-bellied WoodpeckerPicidae92024+67%1968
Eastern PhoebeTyrannidae92024+200%1968
Red-eyed VireoVireonidae92024-31%1968
Brown ThrasherMimidae92024+55%1968
Eastern MeadowlarkIcteridae82024-78%1968
Field SparrowPasserellidae82024-81%1968
Blue-gray GnatcatcherPolioptilidae82024+64%1968
Great Crested FlycatcherTyrannidae72024+12%1968
Eastern TowheePasserellidae62024-28%1968
Scarlet TanagerCardinalidae62008+240%1976
Rock PigeonColumbidae62021-36%1970
Eastern Wood-PeweeTyrannidae52024-51%1968
Red-winged BlackbirdIcteridae52018-67%1968
Summer TanagerCardinalidae52024-8%1968
Fish CrowCorvidae52024+175%2015
Northern Rough-winged SwallowHirundinidae42023-17%1970

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