BirdAnalyst
BBS Route · South Carolina · BCR 27

Green Sea Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 77 species recorded across 7 survey years, still active.

77Species 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 →
7Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2010–2025Span
2Observers

Bird Species Found on South Carolina Green Sea

Top 40 of 77 species by most recent count. Each links to its species trend.

Species recorded on the Green Sea 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 CardinalCardinalidae702025+36%2021
Mourning DoveColumbidae692025+4%2021
American CrowCorvidae652025+42%2021
Tufted TitmouseParidae432025+87%2021
Carolina WrenTroglodytidae352025+27%2021
Great Crested FlycatcherTyrannidae242025+74%2021
Blue JayCorvidae232025+181%2021
Northern MockingbirdMimidae232025-50%2021
Fish CrowCorvidae182025+26%2021
Eastern TowheePasserellidae182025+45%2021
Red-bellied WoodpeckerPicidae162025+0%2021
Common GrackleIcteridae162025-49%2021
Blue GrosbeakCardinalidae162025+21%2022
Northern BobwhiteOdontophoridae142025-47%2021
Indigo BuntingCardinalidae142025-9%2021
KilldeerCharadriidae122025+167%2022
Orchard OrioleIcteridae122025+7%2021
Chipping SparrowPasserellidae122025-28%2021
Pine WarblerParulidae122025+76%2022
White-eyed VireoVireonidae102025+35%2021
Carolina ChickadeeParidae102025+18%2021
OvenbirdParulidae102025+46%2022
Barn SwallowHirundinidae92025-32%2021
Brown-headed CowbirdIcteridae72025-62%2021
Northern ParulaParulidae72025+9%2021
Eastern BluebirdTurdidae72025-20%2021
Purple MartinHirundinidae72025-56%2022
Red-winged BlackbirdIcteridae62024-29%2021
Canada GooseAnatidae62023n/an/a
Yellow-billed CuckooCuculidae52025-21%2021
Brown ThrasherMimidae52025+20%2021
Wild TurkeyPhasianidae52024+17%2022
Red-shouldered HawkAccipitridae52025-47%2022
Prairie WarblerParulidae52025+100%2022
House SparrowPasseridae52025+40%2022
Brown-headed NuthatchSittidae52025+133%2022
Eastern KingbirdTyrannidae42025-47%2021
Eastern MeadowlarkIcteridae42025-20%2021
Prothonotary WarblerParulidae42025+43%2022
Blue-gray GnatcatcherPolioptilidae42025-24%2021

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