BirdAnalyst
BBS Route · South Carolina · BCR 29

Joanna Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 14 survey years, still active.

91Species 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 →
14Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1999–2023Span
4Observers

Bird Species Found on South Carolina Joanna

Top 40 of 91 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
Chimney SwiftApodidae332019+39%2002
Mourning DoveColumbidae322023+5%2002
Northern CardinalCardinalidae322023-13%2002
American CrowCorvidae282023-64%2002
Indigo BuntingCardinalidae282023-21%2002
Blue GrosbeakCardinalidae202023-44%2002
Northern MockingbirdMimidae182023+2%2002
Chipping SparrowPasserellidae162023+34%2002
Eastern TowheePasserellidae162023+0%2002
Canada GooseAnatidae152021+94%2003
Tufted TitmouseParidae142023-21%2002
Northern Rough-winged SwallowHirundinidae13202315×2006
Carolina ChickadeeParidae132023+49%2002
Eastern Wood-PeweeTyrannidae112023-22%2002
White-eyed VireoVireonidae112023-5%2002
Blue JayCorvidae102023-43%2002
Purple MartinHirundinidae102023-32%2002
Eastern MeadowlarkIcteridae92023-75%2002
Brown-headed CowbirdIcteridae82023-20%2002
Field SparrowPasserellidae82023-55%2002
Summer TanagerCardinalidae82023+133%2002
Red-eyed VireoVireonidae82023-32%2002
Yellow-breasted ChatIcteriidae82023-56%2002
American GoldfinchFringillidae62023+67%2004
Common YellowthroatParulidae62023-50%2002
Blue-gray GnatcatcherPolioptilidae62023-55%2002
Eastern BluebirdTurdidae62023-10%2002
Turkey VultureCathartidae52022+36%2003
Red-bellied WoodpeckerPicidae42023-87%2002
Eastern Whip-poor-willCaprimulgidae42006-9%2002
Fish CrowCorvidae42023+300%1999
Carolina WrenTroglodytidae42023-67%2002
Brown-headed NuthatchSittidae42022+33%2003
American RedstartParulidae42003+300%2002
Downy WoodpeckerPicidae32023+100%2002
European StarlingSturnidae32023+646%2002
Common GrackleIcteridae32023-79%2002
Kentucky WarblerParulidae32019+20%2003
House SparrowPasseridae32017-29%2002

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