BirdAnalyst
Species · BCR 31 · BBS 2025 Release · 1966–2024

Boat-tailed Grackle In Peninsular Florida

All regionsPeninsular FloridaGeneralists

Boat-tailed Grackle in Peninsular Florida has declined: down 49% on the route-weighted index since 1968.

-49%Since 1968
76Routes In Region
58Years

Notable Signals

No notable trend signals for Boat-tailed Grackle in Peninsular Florida. See the full index history below.

Forecast

If the recent trend holds, Boat-tailed Grackle in Peninsular Florida is projected to rise about 18% by 2029 — from 14 in 2024 to a central estimate of 17 (95% range 0.00–37). A 5-year backtest shows a typical error of ±38.2%, with 100% of held-out values landing inside the 95% band.

+18%Change by 2029
17Projected 2029 index
0.00–3795% range
±38.2%Backtest error
19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
2025190.0039
2026180.0038
2027180.0038
2028170.0037
2029170.0037

Routes In Peninsular Florida

Routes recording Boat-tailed Grackle in Peninsular Florida.
ShawanoFLORIDA8032002
TamiamiFLORIDA1651974
BrowardFLORIDA1541973
AndytownFLORIDA1491998
KendallFLORIDA1481991
Boca RatonFLORIDA1421994
Holey LandFLORIDA1142024
IndiantownFLORIDA1032017
ClewistonFLORIDA1012023
Ridge HarborFLORIDA612024
DavieFLORIDA552017
WebbFLORIDA532024
Shawano 2FLORIDA512011
SandyFLORIDA482015
Wildernes PkFLORIDA462014
Lake BuffumFLORIDA412024
AlturasFLORIDA401986
St LucieFLORIDA402024
Myakka HeadFLORIDA392009
ScottsmoorFLORIDA392024
Dale MabryFLORIDA381988
SalvistaFLORIDA331979
Devils GardnFLORIDA332024
Citrus ParkFLORIDA312024
KissimmeeFLORIDA302024

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.