BirdAnalyst
BBS Route · South Carolina · BCR 27

Red Bluff Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 78 species recorded across 11 survey years, still active.

78Species 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 →
11Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1996–2024Span
4Observers

Bird Species Found on South Carolina Red Bluff

Top 40 of 78 species by most recent count. Each links to its species trend.

Species recorded on the Red Bluff 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 CardinalCardinalidae422024+106%1998
Mourning DoveColumbidae392024+262%1998
Northern MockingbirdMimidae382024+72%1998
Carolina WrenTroglodytidae382024+982%1998
Turkey VultureCathartidae322024+433%2006
American CrowCorvidae262024+245%1998
Fish CrowCorvidae152024+240%1998
Red-bellied WoodpeckerPicidae142024+418%1998
Eastern BluebirdTurdidae142024+100%1998
Tufted TitmouseParidae122024+32%1998
Blue JayCorvidae102024+11%1998
Chipping SparrowPasserellidae102024+44%1998
Purple MartinHirundinidae102024-42%1998
Barn SwallowHirundinidae82024+0%1998
Western Cattle-EgretArdeidae82024-73%2019
House FinchFringillidae82024+0%2019
Great Crested FlycatcherTyrannidae72024+79%1998
Red-headed WoodpeckerPicidae52024+250%1998
Blue GrosbeakCardinalidae52024+40%1998
Carolina ChickadeeParidae52024+169%1998
Blue-gray GnatcatcherPolioptilidae52024+144%1998
Indigo BuntingCardinalidae42024-77%1998
Summer TanagerCardinalidae42024+167%1998
Brown-headed NuthatchSittidae42023+17%2019
Great EgretArdeidae32023+0%1996
Eastern KingbirdTyrannidae32024+0%1998
Common GrackleIcteridae32024-72%1998
Yellow-breasted ChatIcteriidae32023-14%2006
House SparrowPasseridae32024-33%1998
Brown ThrasherMimidae32024+6%2006
Ruby-throated HummingbirdTrochilidae32006+200%1998
Wood StorkCiconiidae32024+200%2021
Chuck-will's-widowCaprimulgidae32023n/an/a
Green HeronArdeidae22023-25%1997
Red-shouldered HawkAccipitridae22023-17%2018
Downy WoodpeckerPicidae22024+117%1998
Acadian FlycatcherTyrannidae22024-33%2006
Orchard OrioleIcteridae22022-83%1998
Eastern TowheePasserellidae22024-77%1998
Yellow-throated WarblerParulidae22023+0%2017

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