BirdAnalyst
BBS Route · South Carolina · BCR 29

Joanna Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 15 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 →
15Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1999–2025Span
4Observers

Bird Species Found on South Carolina Joanna

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

Species recorded on the Joanna 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
Barn SwallowHirundinidae452023+781%2002
American CrowCorvidae442025-54%2002
Northern CardinalCardinalidae342025-18%2002
Chimney SwiftApodidae332019+39%2002
Northern MockingbirdMimidae242025+9%2002
Indigo BuntingCardinalidae222025-19%2002
Mourning DoveColumbidae212025-15%2002
Chipping SparrowPasserellidae192025+40%2002
Tufted TitmouseParidae162025-2%2002
Canada GooseAnatidae152021+94%2003
Eastern TowheePasserellidae142025-2%2002
Carolina ChickadeeParidae142025+31%2002
Northern Rough-winged SwallowHirundinidae13202315×2006
Yellow-breasted ChatIcteriidae122025-48%2002
Carolina WrenTroglodytidae122025-47%2002
Yellow-billed CuckooCuculidae102025-22%2002
Red-eyed VireoVireonidae102025-27%2002
White-eyed VireoVireonidae102025+37%2002
Tree SwallowHirundinidae102025n/an/a
Blue JayCorvidae92025-48%2002
Summer TanagerCardinalidae72025+67%2002
Eastern MeadowlarkIcteridae62025-72%2002
Field SparrowPasserellidae62025-50%2002
American RobinTurdidae62025-18%2002
Eastern BluebirdTurdidae62025-35%2002
Cliff SwallowHirundinidae62025n/an/a
Turkey VultureCathartidae52022+36%2003
Blue GrosbeakCardinalidae52025-44%2002
Purple MartinHirundinidae52025-45%2002
Blue-gray GnatcatcherPolioptilidae52025-52%2002
Eastern Whip-poor-willCaprimulgidae42006-9%2002
Great Crested FlycatcherTyrannidae42025-84%2002
Fish CrowCorvidae42025+300%1999
Common YellowthroatParulidae42025-31%2002
Brown-headed NuthatchSittidae42022+33%2003
Wood ThrushTurdidae42025-50%2002
American RedstartParulidae42003+300%2002
Downy WoodpeckerPicidae32025+50%2002
Red-bellied WoodpeckerPicidae32025-82%2002
Eastern Wood-PeweeTyrannidae32025-35%2002

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