BirdAnalyst
BBS Route · Florida · BCR 31

Key Largo Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 48 species recorded across 5 survey years, no longer active.

48Species 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 →
5Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1987–1991Span
2Observers

Bird Species Found on Florida Key Largo

Top 40 of 48 species by most recent count. Each links to its species trend.

Species recorded on the Key Largo 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
White-crowned PigeonColumbidae701991+44%1988
Red-winged BlackbirdIcteridae581991-10%1988
Common GrackleIcteridae571991-7%1988
Northern CardinalCardinalidae521991-14%1988
Black-whiskered VireoVireonidae501991-30%1988
Eurasian Collared-DoveColumbidae441991+126%1989
Great EgretArdeidae43199014×1987
Gray KingbirdTyrannidae211991+0%1988
White-eyed VireoVireonidae201991-32%1988
Least TernLaridae161991+300%1988
Red-bellied WoodpeckerPicidae131991-15%1988
Prairie WarblerParulidae101991-54%1988
Laughing GullLaridae91991+44%1988
Northern MockingbirdMimidae81991-13%1988
Mourning DoveColumbidae71991+500%1988
Great Crested FlycatcherTyrannidae71991+250%1989
Double-crested CormorantPhalacrocoracidae61991+44%1988
Rock PigeonColumbidae51991-38%1989
White IbisThreskiornithidae41991-38%1988
Turkey VultureCathartidae41991+133%1988
House SparrowPasseridae41991-22%1989
Green HeronArdeidae31991-50%1988
Common NighthawkCaprimulgidae31991+67%1988
European StarlingSturnidae31991-67%1988
Carolina WrenTroglodytidae31991+250%1988
OspreyPandionidae31991+200%1988
Magnificent FrigatebirdFregatidae21991+9%1988
Mangrove CuckooCuculidae21991+0%1987
Blue JayCorvidae21991+100%1988
Shiny CowbirdIcteridae21988n/an/a
Little Blue HeronArdeidae21991-50%1989
Purple MartinHirundinidae21990n/an/a
Brown PelicanPelecanidae11990-67%1987
Great Blue HeronArdeidae11989+0%1987
Snowy EgretArdeidae11987n/an/a
Tricolored HeronArdeidae11991+125%1988
Common Ground DoveColumbidae11991-50%1987
Swallow-tailed KiteAccipitridae11987n/an/a
Red-shouldered HawkAccipitridae11989-75%1987
Yellow-billed CuckooCuculidae11991-25%1988

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