BirdAnalyst
BBS Route · Florida · BCR 31

Green Swamp Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 83 species recorded across 32 survey years, still active.

83Species 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 →
32Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1987–2024Span
5Observers

Bird Species Found on Florida Green Swamp

Top 40 of 83 species by most recent count. Each links to its species trend.

Species recorded on the Green Swamp 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
Common YellowthroatParulidae332024-59%1990
Tufted TitmouseParidae302024-22%1990
Carolina WrenTroglodytidae282024-56%1990
Red-bellied WoodpeckerPicidae202024-6%1990
Northern ParulaParulidae172024+21%1990
Mourning DoveColumbidae152024+11%1990
Great Crested FlycatcherTyrannidae142024-26%1990
White-eyed VireoVireonidae142024-67%1990
Downy WoodpeckerPicidae132024+5%1990
Northern BobwhiteOdontophoridae122024-49%1990
Red-shouldered HawkAccipitridae122024-3%1990
Eastern TowheePasserellidae112024-83%1990
Carolina ChickadeeParidae112024+10%1990
American CrowCorvidae102024-61%1990
Glossy IbisThreskiornithidae102001+900%1997
Northern CardinalCardinalidae92024-58%1990
Brown-headed NuthatchSittidae82024+200%1990
Blue-gray GnatcatcherPolioptilidae72024+56%1990
White IbisThreskiornithidae62024-50%1990
Western Cattle-EgretArdeidae62017-82%1990
Pileated WoodpeckerPicidae62024-63%1991
Wild TurkeyPhasianidae52023-47%1991
Common Ground DoveColumbidae42023+11%1991
Turkey VultureCathartidae42022-57%1990
Wood DuckAnatidae32011+100%1991
Common GrackleIcteridae32016-81%1992
Red-eyed VireoVireonidae32021+250%1990
Yellow-throated VireoVireonidae32024-17%1992
Pine WarblerParulidae32024-84%1990
Eastern BluebirdTurdidae32024-67%1990
Boat-tailed GrackleIcteridae32010-50%1998
American Barn OwlTytonidae32006+200%2004
Great Blue HeronArdeidae22023+0%1992
Little Blue HeronArdeidae22018-85%1991
Red-tailed HawkAccipitridae22011+100%1987
Barred OwlStrigidae22024+9%1990
Chuck-will's-widowCaprimulgidae22024-38%1990
Red-winged BlackbirdIcteridae22011-38%1992
Summer TanagerCardinalidae22024-46%1990
Purple MartinHirundinidae21998+0%1990

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