BirdAnalyst
Species · BCR 31 · BBS 2026 Release · 1966–2025

Laughing Gull In Peninsular Florida

All regionsPeninsular FloridaWetland birds

Laughing Gull in Peninsular Florida has edged down: down 11% on the route-weighted index since 1968.

-11%Since 1968TrendPercent 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 →
41Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Laughing Gull in Peninsular Florida. See the full index history below.

Laughing Gull In Peninsular Florida Population Forecast

If the recent trend holds, Laughing Gull in Peninsular Florida is projected to stay roughly flat through 2030, near 4.0 (95% range 0.00–12). A 5-year backtest shows a typical error of ±92.6%, with 100% of held-out values landing inside the 95% band.

+2%Change by 2030TrendPercent 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 →
4.0Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–1295% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±92.6%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Laughing Gull in Peninsular Florida is projected to stay roughly flat through 2030, near 4.0 (95% range 0.00–12). A 5-year backtest shows a typical error of ±92.6%, with 100% of held-out values landing inside the 95% band.19662030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20264.20.0012
20274.20.0012
20284.10.0012
20294.00.0012
20304.00.0012

Routes In Peninsular Florida

Routes recording Laughing Gull in Peninsular Florida.
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 →
Pleasant GrFLORIDA782009
Dale MabryFLORIDA731988
AripekaFLORIDA712025
Plantation KFLORIDA562004
Pleasant Grove 2FLORIDA462025
PinelandsFLORIDA401990
Sugarloaf KeyFLORIDA312004
Merritt Island 2FLORIDA262014
FlamingoFLORIDA241983
Key WestFLORIDA181987
Citrus ParkFLORIDA182025
Card SoundFLORIDA142016
IndiantownFLORIDA122010
Key LargoFLORIDA91991
Myakka Head 2FLORIDA92021
Sandy 2FLORIDA82022
NobletonFLORIDA72018
Myakka HeadFLORIDA62011
MabelFLORIDA41987
CroomFLORIDA42006
St AugustineFLORIDA32022
San AntonioFLORIDA32006
SalvistaFLORIDA31973
Winter GardnFLORIDA32009
SandyFLORIDA32014

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.