BirdAnalyst
BBS Route · South Carolina · BCR 27

Walterboro Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 92 species recorded across 37 survey years, still active.

92Species 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 →
37Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2025Span
4Observers

Bird Species Found on South Carolina Walterboro

Top 40 of 92 species by most recent count. Each links to its species trend.

Species recorded on the Walterboro 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
American CrowCorvidae342025+5%1972
Northern CardinalCardinalidae232025-27%1972
Carolina ChickadeeParidae222017+7%1972
Eastern TowheePasserellidae202017-24%1972
Carolina WrenTroglodytidae202025-32%1972
Tufted TitmouseParidae162025+61%1972
Northern MockingbirdMimidae152025+0%1972
Acadian FlycatcherTyrannidae142017-18%1972
Turkey VultureCathartidae122025+289%1972
Black VultureCathartidae122025+290%1972
White-eyed VireoVireonidae122025+19%1972
Red-bellied WoodpeckerPicidae92025-22%1972
Chimney SwiftApodidae92017-69%1972
Blue JayCorvidae92025-39%1972
Summer TanagerCardinalidae92025+53%1972
Common YellowthroatParulidae82017-70%1972
Canada GooseAnatidae82017+89%2001
Pine WarblerParulidae72025+283%1972
Purple MartinHirundinidae62017+144%1972
Yellow-throated WarblerParulidae52017-75%1972
Yellow-breasted ChatIcteriidae52017-24%1972
Western Cattle-EgretArdeidae52017-84%1973
Fish CrowCorvidae52025+5%1975
White-breasted NuthatchSittidae52017+50%1987
Mourning DoveColumbidae42025-58%1972
Great Crested FlycatcherTyrannidae42025+3%1972
Brown-headed CowbirdIcteridae42017-68%1972
Painted BuntingCardinalidae42017-62%1972
Wood StorkCiconiidae42025+100%1998
White IbisThreskiornithidae3201711×1972
Yellow-billed CuckooCuculidae32025-59%1972
Red-headed WoodpeckerPicidae32017+100%1972
Eastern KingbirdTyrannidae32017-76%1972
Red-eyed VireoVireonidae32025-39%1972
Wood ThrushTurdidae32017-84%1972
Eastern BluebirdTurdidae32025+167%1972
Little Blue HeronArdeidae32017+0%1973
Red-shouldered HawkAccipitridae32017+80%1976
MallardAnatidae32006n/an/a
Northern BobwhiteOdontophoridae22017-96%1972

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