BirdAnalyst
BBS Route · Florida · BCR 31

Sugarloaf Key Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 46 species recorded across 4 survey years, no longer active.

46Species 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 →
4Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1999–2004Span
3Observers

Bird Species Found on Florida Sugarloaf Key

Top 40 of 46 species by most recent count. Each links to its species trend.

Species recorded on the Sugarloaf Key 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 PigeonColumbidae922004+306%2002
Common GrackleIcteridae612004+56%2002
Red-winged BlackbirdIcteridae602004-7%2002
Northern CardinalCardinalidae582004+20%2002
Mourning DoveColumbidae392004+2%2002
Laughing GullLaridae312004+39%2002
Double-crested CormorantPhalacrocoracidae272004-10%2002
Black-whiskered VireoVireonidae262004+136%2002
Eurasian Collared-DoveColumbidae242004+85%2003
Prairie WarblerParulidae212004-43%2002
White IbisThreskiornithidae172004+129%2002
Northern MockingbirdMimidae172004+325%2002
Red-bellied WoodpeckerPicidae152004+65%2002
White-eyed VireoVireonidae142004-13%1999
Gray KingbirdTyrannidae112004-74%1999
Turkey VultureCathartidae82004+100%1999
Great Blue HeronArdeidae62004+40%2002
Great Crested FlycatcherTyrannidae62004-46%1999
WilletScolopacidae51999n/an/a
Eastern KingbirdTyrannidae52003n/an/a
European StarlingSturnidae52004+150%2003
Magnificent FrigatebirdFregatidae32004+100%2002
Tricolored HeronArdeidae32004-67%1999
Least TernLaridae22003-80%1999
Great EgretArdeidae22003-75%1999
Rock PigeonColumbidae21999n/an/a
Common Ground DoveColumbidae22003+0%1999
Green HeronArdeidae22004+100%2002
Common MynaSturnidae22004n/an/a
Gull-billed TernLaridae11999n/an/a
Royal TernLaridae12004-22%2002
Brown PelicanPelecanidae12004-89%1999
Reddish EgretArdeidae12004-57%2002
Little Blue HeronArdeidae12002-67%1999
Western Cattle-EgretArdeidae12002-67%1999
Black VultureCathartidae12002+0%1999
OspreyPandionidae12004+133%2002
Barn SwallowHirundinidae12002-50%1999
Yellow WarblerParulidae11999n/an/a
AnhingaAnhingidae12002n/an/a

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