BirdAnalyst
BBS Route · Georgia · BCR 27

Colonels Island Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 85 species recorded across 16 survey years, still active.

85Species 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2005–2023Span
2Observers

Bird Species Found on Georgia Colonels Island

Top 40 of 85 species by most recent count. Each links to its species trend.

Species recorded on the Colonels Island 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 CardinalCardinalidae772023+30%2007
White IbisThreskiornithidae502023+97%2008
Carolina WrenTroglodytidae482023+59%2007
Northern ParulaParulidae472023+151%2007
White-eyed VireoVireonidae462023+35%2007
Boat-tailed GrackleIcteridae442023+354%2007
Red-winged BlackbirdIcteridae332023+65%2007
Yellow-throated WarblerParulidae282023+48%2007
Northern MockingbirdMimidae282023-34%2007
Tufted TitmouseParidae232023-23%2007
Blue-gray GnatcatcherPolioptilidae182023-4%2007
Great Crested FlycatcherTyrannidae162023-23%2007
Blue JayCorvidae152023-34%2007
Pine WarblerParulidae152023+67%2007
Common GrackleIcteridae142023-28%2007
Carolina ChickadeeParidae142023+100%2007
Mourning DoveColumbidae122023-36%2007
Black VultureCathartidae112023-39%2007
Fish CrowCorvidae112023+59%2007
Red-bellied WoodpeckerPicidae102023-30%2007
Yellow-billed CuckooCuculidae92019-21%2007
Downy WoodpeckerPicidae82023+100%2007
Summer TanagerCardinalidae82023+22%2007
Eastern BluebirdTurdidae82023+71%2007
American CrowCorvidae72023-38%2007
Orchard OrioleIcteridae72023+29%2008
Painted BuntingCardinalidae62023+14%2007
Red-eyed VireoVireonidae62023-56%2007
Yellow-breasted ChatIcteriidae62023+46%2007
Brown-headed CowbirdIcteridae52019+50%2007
Eastern TowheePasserellidae52023-67%2007
Brown ThrasherMimidae52023-60%2007
Chuck-will's-widowCaprimulgidae52019+33%2009
KilldeerCharadriidae52023+50%2008
Blue GrosbeakCardinalidae42023-31%2007
Wood ThrushTurdidae42023-65%2007
Clapper RailRallidae42019-36%2009
Great EgretArdeidae32023+0%2007
Northern Rough-winged SwallowHirundinidae32014-25%2005
Yellow-throated VireoVireonidae32023+17%2007

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